{"product_id":"patent-blue-v-acid-blue-3-high-purity-biological-stain-and-colorant","title":"Patent Blue V (Acid Blue 3) | Biological Dye \u0026 Food Colorant (E131) | Ausamics","description":"\u003c!--\n  AuSaMicS Life Science(tm) | Patent Blue V (Acid Blue 3) | ASD-628\n  4-Tab Embeddable HTML | March 2026\n--\u003e\n\u003cstyle\u003e\n#au-pbv628{\n  --g1:#1A4731;--g2:#2D6A4F;--ga:#EAF4EE;--gb:#F5FAF7;\n  --bk:#111827;--ch:#374151;--gx:#6B7280;--lt:#E5E7EB;--wh:#FFFFFF;\n  --rd:#991B1B;--or:#B45309;--bl:#1E40AF;--dye:#1a56db;\n  font-family:'Segoe UI',system-ui,sans-serif;font-size:14px;color:var(--bk);\n  max-width:980px;margin:0 auto;background:var(--wh);\n  border:1px solid var(--lt);border-radius:4px;overflow:hidden;\n}\n#au-pbv628 .hdr{background:var(--g1);padding:26px 32px 22px;display:flex;align-items:flex-start;justify-content:space-between;gap:24px}\n#au-pbv628 .hdr-l{flex:1}\n#au-pbv628 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.q-badge{font-size:11px;font-weight:600;padding:5px 14px;border:1px solid var(--g2);border-radius:20px;color:var(--g2);background:var(--ga)}\n@media(max-width:640px){\n  #au-pbv628 .hdr{flex-direction:column;padding:18px 20px}\n  #au-pbv628 .strip{grid-template-columns:repeat(3,1fr)}\n  #au-pbv628 .panel{padding:20px}\n  #au-pbv628 .two-col,#au-pbv628 .sig{grid-template-columns:1fr}\n  #au-pbv628 .cards,#au-pbv628 .reg-grid{grid-template-columns:1fr}\n  #au-pbv628 .tab{padding:10px 13px;font-size:11px}\n}\n\u003c\/style\u003e\n\u003cdiv id=\"au-pbv628\"\u003e\n\u003cdiv class=\"hdr\"\u003e\n\u003cdiv class=\"hdr-l\"\u003e\n\u003cdiv class=\"cat\"\u003eHigh-Purity Biological Stain \u0026amp; Colorant · Triphenylmethane Dye · E131\u003c\/div\u003e\n\u003cdiv class=\"pname\"\u003ePatent Blue V (Acid Blue 3) — Calcium Salt\u003c\/div\u003e\n\u003cdiv class=\"psub\"\u003eC.I. 42051 · CAS 3536-49-0 · EC 222-573-8 · Mol. Wt. 602.77 g\/mol\u003c\/div\u003e\n\u003cdiv class=\"badges\"\u003e\n\u003cspan class=\"badge\"\u003eE131 — EU Food Additive\u003c\/span\u003e \u003cspan class=\"badge\"\u003eJECFA Evaluated\u003c\/span\u003e \u003cspan class=\"badge\"\u003eEFSA Approved\u003c\/span\u003e \u003cspan class=\"badge\"\u003eTGA Listed\u003c\/span\u003e \u003cspan class=\"badge\"\u003eFSANZ Permitted\u003c\/span\u003e \u003cspan class=\"badge\"\u003eSentinel Lymph Node Mapping\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdr-r\"\u003e\n\u003cdiv class=\"brand\"\u003eAuSaMicS\u003c\/div\u003e\n\u003cdiv class=\"brand-s\"\u003eLife Science™\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"strip\"\u003e\n\u003cdiv class=\"si\"\u003e\n\u003cdiv class=\"sl\"\u003eCat No.\u003c\/div\u003e\n\u003cdiv class=\"sv\"\u003eASD-628\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"si\"\u003e\n\u003cdiv class=\"sl\"\u003eCAS No.\u003c\/div\u003e\n\u003cdiv class=\"sv\"\u003e3536-49-0\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"si\"\u003e\n\u003cdiv class=\"sl\"\u003eMol. Weight\u003c\/div\u003e\n\u003cdiv class=\"sv\"\u003e602.77 g\/mol\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"si\"\u003e\n\u003cdiv class=\"sl\"\u003eλmax\u003c\/div\u003e\n\u003cdiv class=\"sv\"\u003e~640 nm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"si\"\u003e\n\u003cdiv class=\"sl\"\u003eStorage\u003c\/div\u003e\n\u003cdiv class=\"sv\"\u003e+20 °C, dark, dry\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tabs\"\u003e\n\u003cbutton class=\"tab active\"\u003eProduct Description\u003c\/button\u003e \u003cbutton class=\"tab\"\u003eTechnical Data Sheet\u003c\/button\u003e \u003cbutton class=\"tab\"\u003eSafety Data Sheet\u003c\/button\u003e \u003cbutton class=\"tab\"\u003eCertificate of Analysis\u003c\/button\u003e\n\u003c\/div\u003e\n\u003c!-- TAB 1: PD --\u003e\n\u003cdiv class=\"panel active\" id=\"au-pbv-pd\"\u003e\n\u003cdiv class=\"sh\"\u003eOverview\u003c\/div\u003e\n\u003cdiv class=\"dye-swatch\"\u003e\n\u003cdiv class=\"dye-dot\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"dye-info\"\u003e\n\u003cstrong\u003ePatent Blue V — Acid Blue 3\u003c\/strong\u003e Triphenylmethane dye · λmax ~640 nm · Intense blue-green colour\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003ePatent Blue V (Acid Blue 3, C.I. 42051) is a synthetic triphenylmethane dye of high commercial and scientific significance. The calcium salt form (CAS 3536-49-0) is the predominant pharmaceutical and food-grade variant, characterised by its intense blue-green colour, high aqueous solubility (up to 20.98 g\/L at 20 °C), and stability across a broad pH range (3–10).\u003c\/p\u003e\n\u003cp\u003eThe dye absorbs strongly at ~640 nm, producing vivid blue colouration readily visualisable in tissue sections, lymphatic vessels, and solution-based assays. In Europe it is authorised as food additive \u003cstrong\u003eE131 (Food Blue 5)\u003c\/strong\u003e under Regulation (EC) No. 1333\/2008, and is approved for \u003cstrong\u003esentinel lymph node mapping\u003c\/strong\u003e in surgical oncology by TGA and EMA. AuSaMicS supplies a high-purity, batch-traceable grade suitable for regulated scientific and food applications.\u003c\/p\u003e\n\u003cdiv class=\"sh\"\u003eChemical Identity\u003c\/div\u003e\n\u003ctable class=\"kv\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical Name\u003c\/td\u003e\n\u003ctd\u003ePatent Blue V calcium salt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIUPAC Name\u003c\/td\u003e\n\u003ctd\u003eEthanaminium, N-[4-[4-(diethylamino)phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-, inner salt, calcium salt (2:1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMolecular Formula\u003c\/td\u003e\n\u003ctd\u003eC₂₇H₃₄CaN₂O₇S₂\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMolecular Weight\u003c\/td\u003e\n\u003ctd\u003e602.77 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS No.\u003c\/td\u003e\n\u003ctd\u003e3536-49-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC.I. No.\u003c\/td\u003e\n\u003ctd\u003e42051 (Acid Blue 3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEC No.\u003c\/td\u003e\n\u003ctd\u003e222-573-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAbsorption Maximum\u003c\/td\u003e\n\u003ctd\u003e~640 nm (aqueous, neutral pH)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolubility\u003c\/td\u003e\n\u003ctd\u003eUp to 20.98 g\/L in water at 20 °C (highly soluble)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003e+20 °C, protected from light and moisture; hygroscopic — keep tightly closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"sh\"\u003eApplications\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cdiv class=\"card-icon\"\u003e🥊\u003c\/div\u003e\n\u003cdiv class=\"card-title\"\u003eBiological Staining\u003c\/div\u003e\n\u003cdiv class=\"card-body\"\u003eHistology and cytology tissue visualisation; lymphatic vessel staining; chromogenic media component and bacterial identification assays.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cdiv class=\"card-icon\"\u003e🩹\u003c\/div\u003e\n\u003cdiv class=\"card-title\"\u003eMedical Diagnostics\u003c\/div\u003e\n\u003cdiv class=\"card-body\"\u003eApproved for \u003cstrong\u003esentinel lymph node mapping\u003c\/strong\u003e in breast cancer surgery (TGA · EMA). Intraoperative lymphatic visualisation.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cdiv class=\"card-icon\"\u003e🍕\u003c\/div\u003e\n\u003cdiv class=\"card-title\"\u003eFood Colouring (E131)\u003c\/div\u003e\n\u003cdiv class=\"card-body\"\u003eAuthorised as \u003cstrong\u003eE131 (Food Blue 5)\u003c\/strong\u003e in Europe for gelatin desserts, sweets, beverages, and confectionery. FSANZ permitted in Australia\/NZ.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sh\"\u003eRegulatory Status\u003c\/div\u003e\n\u003cdiv class=\"reg-grid\"\u003e\n\u003cdiv class=\"reg-card\"\u003e\n\u003cdiv class=\"reg-name\"\u003eE131 — EU Food Law\u003c\/div\u003e\n\u003cdiv class=\"reg-desc\"\u003eAuthorised under Regulation (EC) No. 1333\/2008 for specified food categories\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"reg-card\"\u003e\n\u003cdiv class=\"reg-name\"\u003eJECFA\u003c\/div\u003e\n\u003cdiv class=\"reg-desc\"\u003eEvaluated by FAO\/WHO Joint Expert Committee; ADI established\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"reg-card\"\u003e\n\u003cdiv class=\"reg-name\"\u003eEFSA\u003c\/div\u003e\n\u003cdiv class=\"reg-desc\"\u003eRe-evaluated under EU programme; authorised at current approved uses\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"reg-card\"\u003e\n\u003cdiv class=\"reg-name\"\u003eTGA (Australia)\u003c\/div\u003e\n\u003cdiv class=\"reg-desc\"\u003eApproved pharmaceutical colourant and diagnostic agent (sentinel lymph node)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"reg-card\"\u003e\n\u003cdiv class=\"reg-name\"\u003eFSANZ\u003c\/div\u003e\n\u003cdiv class=\"reg-desc\"\u003ePermitted food colour under Australian and New Zealand Food Standards\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"reg-card\"\u003e\n\u003cdiv class=\"reg-name\"\u003eAICS\u003c\/div\u003e\n\u003cdiv class=\"reg-desc\"\u003eListed on Australian Inventory of Chemical Substances\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sh\"\u003eQuality Highlights\u003c\/div\u003e\n\u003cdiv class=\"q-badges\"\u003e\n\u003cspan class=\"q-badge\"\u003eHigh-Purity\u003c\/span\u003e \u003cspan class=\"q-badge\"\u003eBatch-Traceable\u003c\/span\u003e \u003cspan class=\"q-badge\"\u003eCAS Verified\u003c\/span\u003e \u003cspan class=\"q-badge\"\u003eCOA Available\u003c\/span\u003e \u003cspan class=\"q-badge\"\u003eVegan\u003c\/span\u003e \u003cspan class=\"q-badge\"\u003eGluten Free\u003c\/span\u003e \u003cspan class=\"q-badge\"\u003eNon-GMO\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sh\"\u003ePackaging \u0026amp; Storage\u003c\/div\u003e\n\u003ctable class=\"kv\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Sizes\u003c\/td\u003e\n\u003ctd\u003e10 g · 50 g · 100 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e+20 °C (room temperature); protect from light and moisture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContainer\u003c\/td\u003e\n\u003ctd\u003eTightly closed, original container; amber glass or light-resistant vessel preferred\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHygroscopicity\u003c\/td\u003e\n\u003ctd\u003eHygroscopic — store with desiccant; reseal immediately after use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelf Life\u003c\/td\u003e\n\u003ctd\u003eSee retest date on label; typically 3 years from manufacture under correct conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"disc\"\u003e\n\u003cstrong\u003eAuSaMicS Pty Ltd\u003c\/strong\u003e (ABN 56 676 640 467) warrants this product meets stated specifications at time of manufacture. Supplied for laboratory, diagnostic, and permitted food\/feed applications. Not for unauthorized pharmaceutical, therapeutic, or injectable use. · 31 Longview CT, Thomastown VIC 3074, Australia · support@ausamics.com · +61 412 520 598 · www.ausamics.com.au\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- TAB 2: TDS --\u003e\n\u003cdiv class=\"panel\" id=\"au-pbv-tds\"\u003e\n\u003cdiv class=\"two-col\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"sh\"\u003eProduct Identification\u003c\/div\u003e\n\u003ctable class=\"kv\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePatent Blue V calcium salt\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCat No.\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eASD-628\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS No.\u003c\/td\u003e\n\u003ctd\u003e3536-49-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC.I. No.\u003c\/td\u003e\n\u003ctd\u003e42051\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEC No.\u003c\/td\u003e\n\u003ctd\u003e222-573-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLot No.\u003c\/td\u003e\n\u003ctd\u003ePBV260301\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrade\u003c\/td\u003e\n\u003ctd\u003eHigh-Purity Biological Stain \/ Colorant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"sh\"\u003ePhysical Properties\u003c\/div\u003e\n\u003ctable class=\"kv\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAppearance\u003c\/td\u003e\n\u003ctd\u003eDark blue to green crystalline powder; hygroscopic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMolecular Formula\u003c\/td\u003e\n\u003ctd\u003eC₂₇H₃₄CaN₂O₇S₂\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMolecular Weight\u003c\/td\u003e\n\u003ctd\u003e602.77 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eλmax (aq., pH 7)\u003c\/td\u003e\n\u003ctd\u003e~640 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolubility (water)\u003c\/td\u003e\n\u003ctd\u003eUp to 20.98 g\/L at 20 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH (1% aq. soln.)\u003c\/td\u003e\n\u003ctd\u003e~4.0 – 6.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHygroscopic\u003c\/td\u003e\n\u003ctd\u003eYes — use desiccant storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sh\"\u003eSpectroscopic Data\u003c\/div\u003e\n\u003ctable class=\"kv\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAbsorption Maximum (λmax)\u003c\/td\u003e\n\u003ctd\u003e~640 nm in aqueous solution (neutral pH)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecondary Absorption\u003c\/td\u003e\n\u003ctd\u003e~420 nm (minor shoulder)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMolar Absorptivity (ε)\u003c\/td\u003e\n\u003ctd\u003e~35,000–40,000 L·mol⁻¹·cm⁻¹ at λmax\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBeer-Lambert Range\u003c\/td\u003e\n\u003ctd\u003eLinear up to ~50 mg\/L for standard colorimetric use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFluorescence\u003c\/td\u003e\n\u003ctd\u003eNon-fluorescent under standard conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Solvent\u003c\/td\u003e\n\u003ctd\u003ePurified water or phosphate-buffered saline (PBS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"sh\"\u003ePreparation \u0026amp; Use Guidelines\u003c\/div\u003e\n\u003ctable class=\"kv\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStock Solution\u003c\/td\u003e\n\u003ctd\u003eDissolve 10–50 mg in 1 mL purified water. Vortex gently until fully dissolved. Filter through 0.22 µm if required for injectable or cell culture applications.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Dilution\u003c\/td\u003e\n\u003ctd\u003e0.1–5 mg\/mL for biological staining; consult specific protocol for application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Adjustment\u003c\/td\u003e\n\u003ctd\u003eAqueous solution pH ~4–6; adjust with PBS for physiological applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolution Stability\u003c\/td\u003e\n\u003ctd\u003eStable for several weeks at RT, protected from light; freeze at −20 °C for long-term storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncompatibilities\u003c\/td\u003e\n\u003ctd\u003eStrong oxidising agents (bleach, permanganate) decolourise the dye; strong acids\/bases alter colour\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"sh\"\u003eQuality Control Specifications\u003c\/div\u003e\n\u003ctable class=\"dt\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eMethod\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAppearance\u003c\/td\u003e\n\u003ctd\u003eDark blue to green crystalline powder; no visible impurities\u003c\/td\u003e\n\u003ctd\u003eVisual inspection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIdentity (UV-Vis λmax)\u003c\/td\u003e\n\u003ctd\u003e635–645 nm (aqueous, pH 7)\u003c\/td\u003e\n\u003ctd\u003eUV-Vis spectrophotometry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDye Content\u003c\/td\u003e\n\u003ctd\u003eHigh purity — see COA for lot-specific value\u003c\/td\u003e\n\u003ctd\u003eSpectrophotometric assay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAbsorbance Ratio A640\/A420\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 3.5 (purity indicator)\u003c\/td\u003e\n\u003ctd\u003eUV-Vis dual wavelength\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolubility (20 mg\/mL)\u003c\/td\u003e\n\u003ctd\u003eComplete dissolution in purified water\u003c\/td\u003e\n\u003ctd\u003eSolution test\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoss on Drying\u003c\/td\u003e\n\u003ctd\u003e≤ 10.0% w\/w\u003c\/td\u003e\n\u003ctd\u003e105 °C \/ 2 h (gravimetric)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeavy Metals (Pb equiv.)\u003c\/td\u003e\n\u003ctd\u003e≤ 20 ppm\u003c\/td\u003e\n\u003ctd\u003eICP-MS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArsenic\u003c\/td\u003e\n\u003ctd\u003e≤ 3 ppm\u003c\/td\u003e\n\u003ctd\u003eICP-MS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"disc\"\u003e\n\u003cstrong\u003eAuSaMicS Pty Ltd\u003c\/strong\u003e (ABN 56 676 640 467) · 31 Longview CT, Thomastown VIC 3074, Australia · support@ausamics.com · +61 412 520 598 · www.ausamics.com.au\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- TAB 3: SDS --\u003e\n\u003cdiv class=\"panel\" id=\"au-pbv-sds\"\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cstrong\u003eSafety Data Sheet — GHS Format (Australian WHS Regulations 2017)\u003c\/strong\u003e\u003cbr\u003eIssue Date: March 2026 · Rev: 1.0 · Prepared in accordance with WHS Regulations and GHS 7th Revision.\u003c\/div\u003e\n\u003cdiv class=\"sh\"\u003eSection 1 — Identification\u003c\/div\u003e\n\u003ctable class=\"kv\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003ePatent Blue V (Acid Blue 3) — Calcium Salt (C.I. 42051)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther Names\u003c\/td\u003e\n\u003ctd\u003eAcid Blue 3; E131; Food Blue 5; Sulphan Blue; C.I. 42051\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCatalog No.\u003c\/td\u003e\n\u003ctd\u003eASD-628 · CAS: 3536-49-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended Use\u003c\/td\u003e\n\u003ctd\u003eBiological staining, food colouring (E131), diagnostic colorant — laboratory and permitted applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupplier\u003c\/td\u003e\n\u003ctd\u003eAuSaMicS Pty Ltd, 31 Longview CT, Thomastown VIC 3074, Australia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhone \/ Emergency\u003c\/td\u003e\n\u003ctd\u003e+61 412 520 598 · Poisons Centre: 13 11 26 (24h)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmail \/ Web\u003c\/td\u003e\n\u003ctd\u003esupport@ausamics.com · www.ausamics.com.au\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"sh\"\u003eSection 2 — Hazard Identification\u003c\/div\u003e\n\u003ctable class=\"kv\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGHS Classification\u003c\/td\u003e\n\u003ctd\u003eNot classified as hazardous under GHS \/ WHS Regulations 2017 at supplied concentration. Precautionary irritant classification applies to dust\/concentrated solution.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Word\u003c\/td\u003e\n\u003ctd\u003eWarning (precautionary)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHazard Statements\u003c\/td\u003e\n\u003ctd\u003eH315: Causes skin irritation · H319: Causes serious eye irritation · H335: May cause respiratory irritation (dust)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrecautionary\u003c\/td\u003e\n\u003ctd\u003eP260 · P264 · P280 · P305+P351+P338 · P312 · P501\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther Hazards\u003c\/td\u003e\n\u003ctd\u003eIntensely coloured dye — stains skin, clothing, and surfaces. Hygroscopic. Anaphylaxis associated with injectable form (clinical) — not applicable to this laboratory\/food-grade supply.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"sh\"\u003eSection 3 — Composition\u003c\/div\u003e\n\u003ctable class=\"dt\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eCAS No.\u003c\/th\u003e\n\u003cth\u003eProportion (w\/w)\u003c\/th\u003e\n\u003cth\u003eGHS Classification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePatent Blue V calcium salt\u003c\/td\u003e\n\u003ctd\u003e3536-49-0\u003c\/td\u003e\n\u003ctd\u003e≥ 85%\u003c\/td\u003e\n\u003ctd\u003eNot classified at supplied concentration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater of crystallisation \/ moisture\u003c\/td\u003e\n\u003ctd\u003e7732-18-5\u003c\/td\u003e\n\u003ctd\u003e≤ 10%\u003c\/td\u003e\n\u003ctd\u003eNot classified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinor manufacturing residues\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 5%\u003c\/td\u003e\n\u003ctd\u003eNot classified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"sh\"\u003eSections 4–8 — First Aid, Fire, Spill, Handling, PPE\u003c\/div\u003e\n\u003ctable class=\"kv\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInhalation\u003c\/td\u003e\n\u003ctd\u003eRemove to fresh air. If respiratory irritation from dust persists, seek medical advice.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSkin Contact\u003c\/td\u003e\n\u003ctd\u003eWash with soap and water. Dye stains skin blue\/green transiently (fades within hours–days). Seek advice if irritation persists.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Contact\u003c\/td\u003e\n\u003ctd\u003eRinse immediately with copious water ≥ 15 min, holding eyelids open. Seek medical attention if irritation persists. Conjunctival staining is transient.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIngestion\u003c\/td\u003e\n\u003ctd\u003eRinse mouth. Seek medical advice. Low acute oral toxicity (EU food additive). May cause transient blue colouration of urine\/faeces.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash Point\u003c\/td\u003e\n\u003ctd\u003eNot applicable (non-flammable crystalline solid)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtinguishing Media\u003c\/td\u003e\n\u003ctd\u003eCO², dry chemical, or water spray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpill (dry)\u003c\/td\u003e\n\u003ctd\u003eSweep or vacuum carefully. Avoid airborne dust. Collect in sealed container. Dispose per Section 13.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpill (solution)\u003c\/td\u003e\n\u003ctd\u003eAbsorb with inert material (sand, vermiculite). Collect and seal. Rinse area — dye staining may persist on porous surfaces.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngineering Controls\u003c\/td\u003e\n\u003ctd\u003eLocal exhaust ventilation when weighing dry powder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRespiratory PPE\u003c\/td\u003e\n\u003ctd\u003eP2 dust mask when generating dust from powder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand Protection\u003c\/td\u003e\n\u003ctd\u003eNitrile or latex gloves — dye stains skin intensely\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Protection\u003c\/td\u003e\n\u003ctd\u003eSafety glasses; goggles if splash risk from concentrated solutions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Protection\u003c\/td\u003e\n\u003ctd\u003eLab coat, closed footwear; dye-resistant apron for large volumes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"sh\"\u003eSections 9–16 — Properties, Stability, Toxicology, Disposal, Regulatory\u003c\/div\u003e\n\u003ctable class=\"kv\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical State\u003c\/td\u003e\n\u003ctd\u003eSolid (crystalline powder); dark blue to green\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAbsorption Maximum\u003c\/td\u003e\n\u003ctd\u003e~640 nm (aqueous)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVapour Pressure\u003c\/td\u003e\n\u003ctd\u003eNegligible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStability\u003c\/td\u003e\n\u003ctd\u003eStable at +20 °C, dry, light-protected. Oxidising agents (bleach) decolourise.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcute Oral Toxicity\u003c\/td\u003e\n\u003ctd\u003eLow — authorised EU food additive (E131); ADI established by JECFA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSkin \/ Eye Irritation\u003c\/td\u003e\n\u003ctd\u003eH315 \/ H319 — mild irritant; intense staining of skin\/conjunctiva (transient)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitisation (injectable)\u003c\/td\u003e\n\u003ctd\u003eAnaphylaxis reported with clinical injectable form (Sulphan Blue) — not applicable to this supply grade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMutagenicity\u003c\/td\u003e\n\u003ctd\u003eNot classified (AMES: no clear mutagenicity per JECFA monograph)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarcinogenicity\u003c\/td\u003e\n\u003ctd\u003eNot classified; IARC not evaluated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAquatic Toxicity\u003c\/td\u003e\n\u003ctd\u003eVisible blue colour at mg\/L levels; prevent discharge to waterways\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBiodegradability\u003c\/td\u003e\n\u003ctd\u003eLimited direct biodegradability of synthetic dye; decolourise with bleach before drain disposal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaste Disposal\u003c\/td\u003e\n\u003ctd\u003eDilute solutions: decolourise with NaOCl before drain disposal. Solid: chemical waste contractor. Decolourise: add dilute bleach to aqueous dye waste.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransport\u003c\/td\u003e\n\u003ctd\u003eNot regulated as dangerous goods (ADG \/ IATA \/ IMDG)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAICS (Australia)\u003c\/td\u003e\n\u003ctd\u003eListed on Australian Inventory of Chemical Substances\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSUSMP Schedule\u003c\/td\u003e\n\u003ctd\u003eNot scheduled for laboratory\/food use; injectable pharmaceutical form — consult TGA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEU Food Law (E131)\u003c\/td\u003e\n\u003ctd\u003eAuthorised under Regulation (EC) No. 1333\/2008\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSDS Prepared By\u003c\/td\u003e\n\u003ctd\u003eAuSaMicS Pty Ltd — Technical \u0026amp; Quality Department · March 2026 · Rev 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"disc\"\u003e\n\u003cstrong\u003eAuSaMicS Pty Ltd\u003c\/strong\u003e (ABN 56 676 640 467) · 31 Longview CT, Thomastown VIC 3074, Australia · support@ausamics.com · +61 412 520 598 · www.ausamics.com.au\u003cbr\u003eThis SDS is prepared in accordance with Australian WHS Regulations and GHS (7th Rev.). For laboratory and permitted food\/feed use only.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- TAB 4: COA --\u003e\n\u003cdiv class=\"panel\" id=\"au-pbv-coa\"\u003e\n\u003cdiv class=\"two-col\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"sh\"\u003eProduct Details\u003c\/div\u003e\n\u003ctable class=\"kv\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePatent Blue V (Acid Blue 3)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCatalog No.\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eASD-628\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS No.\u003c\/td\u003e\n\u003ctd\u003e3536-49-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC.I. No.\u003c\/td\u003e\n\u003ctd\u003e42051\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLot No.\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePBV260301\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMfg. Date\u003c\/td\u003e\n\u003ctd\u003eMarch 2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRetest Date\u003c\/td\u003e\n\u003ctd\u003eMarch 2028\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrade\u003c\/td\u003e\n\u003ctd\u003eHigh-Purity Biological Stain \/ Colorant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"sh\"\u003eDocument Information\u003c\/div\u003e\n\u003ctable class=\"kv\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOA No.\u003c\/td\u003e\n\u003ctd\u003eCOA-ASD-628-L001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIssue Date\u003c\/td\u003e\n\u003ctd\u003eMarch 2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIssued By\u003c\/td\u003e\n\u003ctd\u003eAuSaMicS Quality Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTest Ref.\u003c\/td\u003e\n\u003ctd\u003eIn-house \/ Ph. Eur. \/ JECFA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sh\"\u003eTest Results \u0026amp; Analytical Data\u003c\/div\u003e\n\u003ctable class=\"dt\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTest Parameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eMethod\u003c\/th\u003e\n\u003cth\u003eResult\u003c\/th\u003e\n\u003cth\u003eStatus\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAppearance\u003c\/td\u003e\n\u003ctd\u003eDark blue to green crystalline powder; no visible impurities or clumping\u003c\/td\u003e\n\u003ctd\u003eVisual inspection\u003c\/td\u003e\n\u003ctd\u003eConforms\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"pass\"\u003ePASS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIdentity — UV-Vis (λmax)\u003c\/td\u003e\n\u003ctd\u003e635–645 nm (aqueous, pH 7 ± 0.5)\u003c\/td\u003e\n\u003ctd\u003eUV-Vis spectrophotometry\u003c\/td\u003e\n\u003ctd\u003e641 nm\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"pass\"\u003ePASS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDye Content (spectrophotometric)\u003c\/td\u003e\n\u003ctd\u003eHigh purity grade — see lot-specific value\u003c\/td\u003e\n\u003ctd\u003eSpectrophotometric assay\u003c\/td\u003e\n\u003ctd\u003eSee lot value\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"pass\"\u003ePASS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAbsorbance Ratio A640\/A420\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 3.5 (low intermediate impurity)\u003c\/td\u003e\n\u003ctd\u003eUV-Vis dual wavelength\u003c\/td\u003e\n\u003ctd\u003e4.1\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"pass\"\u003ePASS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolubility (20 mg\/mL, water)\u003c\/td\u003e\n\u003ctd\u003eComplete dissolution within 5 min at 20 °C\u003c\/td\u003e\n\u003ctd\u003eSolubility test\u003c\/td\u003e\n\u003ctd\u003eComplete\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"pass\"\u003ePASS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoss on Drying\u003c\/td\u003e\n\u003ctd\u003e≤ 10.0% w\/w (hygroscopic material)\u003c\/td\u003e\n\u003ctd\u003e105 °C \/ 2 h (gravimetric)\u003c\/td\u003e\n\u003ctd\u003e6.2%\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"pass\"\u003ePASS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH (1% aqueous solution)\u003c\/td\u003e\n\u003ctd\u003e4.0 – 6.5\u003c\/td\u003e\n\u003ctd\u003ePotentiometry (ISO 10523)\u003c\/td\u003e\n\u003ctd\u003e5.1\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"pass\"\u003ePASS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeavy Metals (Pb equiv.)\u003c\/td\u003e\n\u003ctd\u003e≤ 20 ppm\u003c\/td\u003e\n\u003ctd\u003eICP-MS\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 5 ppm\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"pass\"\u003ePASS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArsenic\u003c\/td\u003e\n\u003ctd\u003e≤ 3 ppm\u003c\/td\u003e\n\u003ctd\u003eICP-MS\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 1 ppm\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"pass\"\u003ePASS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicrobiological Quality\u003c\/td\u003e\n\u003ctd\u003eTVC ≤ 1000 CFU\/g; pathogens absent\u003c\/td\u003e\n\u003ctd\u003eUSP \u0026lt;61\u0026gt;\/\u0026lt;62\u0026gt;\u003c\/td\u003e\n\u003ctd\u003eConforms\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"pass\"\u003ePASS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS \/ C.I. Identity Verification\u003c\/td\u003e\n\u003ctd\u003eCAS 3536-49-0; C.I. 42051 confirmed\u003c\/td\u003e\n\u003ctd\u003eSpectral + literature comparison\u003c\/td\u003e\n\u003ctd\u003eConfirmed\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"conform\"\u003eCONFORM\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"concl\"\u003e\n\u003cstrong style=\"color: #1a4731;\"\u003eConclusion:\u003c\/strong\u003e Lot PBV260301 fully meets all release specifications for Patent Blue V calcium salt (CAS 3536-49-0, C.I. 42051). This lot is \u003cstrong style=\"color: #1a4731;\"\u003eRELEASED for use\u003c\/strong\u003e in biological staining, food colouring (E131), and permitted diagnostic applications.\u003c\/div\u003e\n\u003cdiv class=\"sig\"\u003e\n\u003cdiv class=\"sigb\"\u003e\n\u003cdiv class=\"sname\"\u003eQuality Control Analyst\u003c\/div\u003e\n\u003cdiv class=\"srole\"\u003eAuSaMicS Quality Control Department\u003c\/div\u003e\n\u003cdiv class=\"sdate\"\u003eDate: March 2026  |  Signature: _______________\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sigb\"\u003e\n\u003cdiv class=\"sname\"\u003eQuality Manager\u003c\/div\u003e\n\u003cdiv class=\"srole\"\u003eAuSaMicS Pty Ltd\u003c\/div\u003e\n\u003cdiv class=\"sdate\"\u003eDate: March 2026  |  Signature: _______________\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"disc\"\u003e\n\u003cstrong\u003eAuSaMicS Pty Ltd\u003c\/strong\u003e (ABN 56 676 640 467) warrants this product meets specifications at time of manufacture and release. Supplied for laboratory, diagnostic, and permitted food\/feed applications only. AuSaMicS Pty Ltd shall not be held liable for any damages resulting from use outside the intended application. · 31 Longview CT, Thomastown VIC 3074, Australia · support@ausamics.com · +61 412 520 598 · www.ausamics.com.au\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"foot\"\u003eAuSaMicS Pty Ltd  ·  ABN 56 676 640 467  ·  31 Longview CT, Thomastown VIC 3074, Australia  ·  support@ausamics.com  ·  +61 412 520 598  ·  www.ausamics.com.au\u003c\/div\u003e\n\u003cscript\u003e\nfunction auPBV(id,btn){\n  var panels=document.querySelectorAll('#au-pbv628 .panel');\n  var tabs=document.querySelectorAll('#au-pbv628 .tab');\n  for(var i=0;i\u003cpanels.length;i++) panels[i].classList.remove('active');\n  for(var i=0;i\u003ctabs.length;i++) tabs[i].classList.remove('active');\n  document.getElementById('au-pbv-'+id).classList.add('active');\n  btn.classList.add('active');\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ausamics Life Science","offers":[{"title":"10 g","offer_id":48293565333759,"sku":"ASD-628-10G","price":27.0,"currency_code":"AUD","in_stock":true},{"title":"25 g","offer_id":48293565366527,"sku":"ASD-628-25G","price":47.0,"currency_code":"AUD","in_stock":true},{"title":"50 g","offer_id":48293565399295,"sku":"ASD-628-50G","price":79.0,"currency_code":"AUD","in_stock":true},{"title":"100 g","offer_id":48293565432063,"sku":"ASD-628-100G","price":119.0,"currency_code":"AUD","in_stock":true},{"title":"250 g","offer_id":48293565464831,"sku":"ASD-628-250G","price":207.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/1087\/0271\/files\/AcidBlue3_PatentBlueV_Cat.No.ASD_628.png?v=1773655959","url":"https:\/\/ausamics.com.au\/products\/patent-blue-v-acid-blue-3-high-purity-biological-stain-and-colorant","provider":"AuSaMicS","version":"1.0","type":"link"}