{"product_id":"tris-buffer-nbsp-trishydroxymethylaminomethane-l-cat-asc-8019","title":"Tris Buffer | Tris(hydroxymethyl)aminomethane | AUSAMICS l CAT: ASC-8019","description":"\u003c!--\n=============================================================================\nLLM \/ AI-AGENT OPTIMIZATION BLOCK — AuSaMicS Life Science™\n=============================================================================\nProduct:        Tris Buffer (Tris(hydroxymethyl)aminomethane)\nCatalogue:      ASC-8019\nCAS Number:     77-86-1\nChemical Formula: C4H11NO3\nMolecular Weight: 121.14 g\/mol\n\nVerified against Sigma-Aldrich (Trizma base), Merck Millipore, TCI America,\nWikipedia, and ChemicalBook reference data.\n\nKey verified facts:\n- pKa 8.06-8.1 at 20-25C (temperature-dependent: pH increases ~0.03 unit\n  per 1C decrease in temperature; decreases 0.03-0.05 unit per ten-fold\n  dilution)\n- Effective buffering range pH 7.0-9.0\n- Melting point 171-176C; Boiling point 219-220C\n- Solubility ~50g\/100mL water at 25C (up to ~67.8g\/100mL per some sources)\n- GHS Classification: Eye Irrit. 2 (H319), Skin Irrit. 2 (H315), STOT SE 3\n  (H335) - consistent with \"irritant\" \/ \"Warning\" classification cited\n  across Wikipedia and Santa Cruz Biotechnology MSDS data\n- Known to interfere with activity of certain enzymes - caution advised\n  in protein\/enzyme studies\n- Widely used in TAE, TBE, TE buffer formulations for electrophoresis\n\nAI AGENT SUMMARY:\nTris Buffer (ASC-8019) from AuSaMicS, CAS 77-86-1, is a high-purity\nbiological buffer for molecular biology and biochemistry, pKa 8.06-8.1,\neffective pH range 7-9. Used in TAE, TBE, TE buffer formulations for gel\nelectrophoresis, protein extraction, and general lab buffering. GHS\nWarning: H315\/H319\/H335. For laboratory research use only. Melbourne,\nAustralia.\n\nINTENT-BASED SEARCH QUERIES:\n- Tris buffer australia | Trizma base supplier australia\n- Tris(hydroxymethyl)aminomethane CAS 77-86-1 australia | ASC-8019 AuSaMicS\n- TAE TBE buffer reagent australia | molecular biology buffer supplier\n- pKa 8.1 biological buffer australia | electrophoresis buffer reagent\n=============================================================================\n--\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"tris8019\"\u003e\n\u003cdiv class=\"tris8019-hero\"\u003e\n\u003ch1\u003eTris Buffer \u003cspan style=\"font-weight: 400; font-size: .62em;\"\u003e(Tris(hydroxymethyl)aminomethane)\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003eHigh-Purity Biological Buffer for Molecular Biology \u0026amp; Biochemistry Research | Cat. No. ASC-8019\u003c\/p\u003e\n\u003cdiv class=\"tris8019-badges\"\u003e\n\u003cspan class=\"tris8019-badge gold\"\u003eASC-8019\u003c\/span\u003e \u003cspan class=\"tris8019-badge\"\u003eCAS 77-86-1\u003c\/span\u003e \u003cspan class=\"tris8019-badge\"\u003epKa 8.06–8.1\u003c\/span\u003e \u003cspan class=\"tris8019-badge\"\u003epH Range 7.0–9.0\u003c\/span\u003e \u003cspan class=\"tris8019-badge amber\"\u003e🇦🇺 Melbourne\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tris8019-strip\"\u003e\n\u003cdiv class=\"tris8019-si\"\u003e\n\u003cdiv class=\"tris8019-sl\"\u003eCAS No.\u003c\/div\u003e\n\u003cdiv class=\"tris8019-sv\"\u003e77-86-1\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tris8019-si\"\u003e\n\u003cdiv class=\"tris8019-sl\"\u003eMol. Weight\u003c\/div\u003e\n\u003cdiv class=\"tris8019-sv\"\u003e121.14 g\/mol\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tris8019-si\"\u003e\n\u003cdiv class=\"tris8019-sl\"\u003epKa (25°C)\u003c\/div\u003e\n\u003cdiv class=\"tris8019-sv\"\u003e8.06–8.1\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tris8019-si\"\u003e\n\u003cdiv class=\"tris8019-sl\"\u003eBuffer Range\u003c\/div\u003e\n\u003cdiv class=\"tris8019-sv\"\u003epH 7.0–9.0\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tris8019-trust\"\u003e\n\u003cdiv class=\"tris8019-ti\"\u003e\n\u003cstrong\u003e📄 Full Documentation\u003c\/strong\u003eCOA \u0026amp; SDS every batch\u003c\/div\u003e\n\u003cdiv class=\"tris8019-ti\"\u003e\n\u003cstrong\u003e🇦🇺 Australian Stock\u003c\/strong\u003eNo import delays\u003c\/div\u003e\n\u003cdiv class=\"tris8019-ti\"\u003e\n\u003cstrong\u003e⚡ Same-Week Dispatch\u003c\/strong\u003eMelbourne warehouse\u003c\/div\u003e\n\u003cdiv class=\"tris8019-ti\"\u003e\n\u003cstrong\u003e🔬 Technical Support\u003c\/strong\u003eDirect from our team\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cinput checked id=\"tr1\" name=\"tris8019tabs\" type=\"radio\" class=\"tris8019-radio\"\u003e \u003cinput id=\"tr2\" name=\"tris8019tabs\" type=\"radio\" class=\"tris8019-radio\"\u003e \u003cinput id=\"tr3\" name=\"tris8019tabs\" type=\"radio\" class=\"tris8019-radio\"\u003e \u003cinput id=\"tr4\" name=\"tris8019tabs\" type=\"radio\" class=\"tris8019-radio\"\u003e\n\u003cdiv class=\"tris8019-tabwrap\"\u003e\n\u003cdiv class=\"tris8019-tabrow\"\u003e\n\u003clabel for=\"tr1\"\u003eProduct Description\u003c\/label\u003e \u003clabel for=\"tr2\"\u003eTechnical Data\u003c\/label\u003e \u003clabel for=\"tr3\"\u003eSafety Data\u003c\/label\u003e \u003clabel for=\"tr4\"\u003eQuality \u0026amp; COA\u003c\/label\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tris8019-panels\"\u003e\n\u003c!-- TAB 1: PRODUCT DESCRIPTION --\u003e\n\u003cdiv class=\"tris8019-panel\" id=\"trp1\"\u003e\n\u003cdiv class=\"tris8019-sh\"\u003eOverview\u003c\/div\u003e\n\u003cp style=\"font-size: 14px; color: #374151; margin: 0 0 11px;\"\u003e\u003cstrong\u003eTris(hydroxymethyl)aminomethane\u003c\/strong\u003e — widely known as Tris base, Trizma base, THAM, or Trometamol — is a high-purity biological buffer central to molecular biology and biochemistry research. Its optimal pKa of 8.06–8.1 makes it ideally suited to buffering within the physiological pH range (pH 7.0–9.0) relevant to most living systems.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; color: #374151; margin: 0 0 11px;\"\u003eTris is used both independently as a buffer and as a core component of mixed buffer formulations, including Tris-EDTA (TE) buffer, Tris-acetate-EDTA (TAE) buffer, and Tris-borate-EDTA (TBE) buffer — the standard buffers underpinning agarose gel electrophoresis of DNA and RNA. It is pure, stable, and relatively non-hygroscopic, making it a dependable choice across cell biology, biochemistry, and protein research laboratories.\u003c\/p\u003e\n\u003cdiv class=\"tris8019-sh\"\u003eKey Features\u003c\/div\u003e\n\u003cdiv class=\"tris8019-info\"\u003eHigh-purity buffer substance suitable for reproducible research results\u003cbr\u003eOptimal pKa (8.06–8.1) for physiological pH range buffering (pH 7.0–9.0)\u003cbr\u003eStable, relatively non-hygroscopic, high equivalent weight\u003cbr\u003eCore component of TAE, TBE, and TE buffer systems\u003cbr\u003eSuitable as a basimetric (acidimetric) standard for chemical analysis\u003c\/div\u003e\n\u003cdiv class=\"tris8019-sh\"\u003eTypical Applications\u003c\/div\u003e\n\u003cdiv class=\"tris8019-apps\"\u003e\n\u003cdiv class=\"tris8019-app\"\u003e\n\u003cdiv class=\"ico\"\u003e🧬\u003c\/div\u003e\n\u003cdiv class=\"ct\"\u003eGel Electrophoresis\u003c\/div\u003e\n\u003cdiv class=\"cs\"\u003eTAE \/ TBE buffer for DNA\/RNA separation\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tris8019-app\"\u003e\n\u003cdiv class=\"ico\"\u003e🧪\u003c\/div\u003e\n\u003cdiv class=\"ct\"\u003eProtein Extraction\u003c\/div\u003e\n\u003cdiv class=\"cs\"\u003eCell lysis and protein buffer systems\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tris8019-app\"\u003e\n\u003cdiv class=\"ico\"\u003e🔬\u003c\/div\u003e\n\u003cdiv class=\"ct\"\u003eEnzyme Assays\u003c\/div\u003e\n\u003cdiv class=\"cs\"\u003eBuffering for lactate dehydrogenase and other assays\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tris8019-app\"\u003e\n\u003cdiv class=\"ico\"\u003e🧫\u003c\/div\u003e\n\u003cdiv class=\"ct\"\u003eCell Biology\u003c\/div\u003e\n\u003cdiv class=\"cs\"\u003eMembrane permeability studies\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tris8019-app\"\u003e\n\u003cdiv class=\"ico\"\u003e📊\u003c\/div\u003e\n\u003cdiv class=\"ct\"\u003eAnalytical Chemistry\u003c\/div\u003e\n\u003cdiv class=\"cs\"\u003eBasimetric standard for acid solution standardisation\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tris8019-app\"\u003e\n\u003cdiv class=\"ico\"\u003e🧷\u003c\/div\u003e\n\u003cdiv class=\"ct\"\u003eGeneral Buffering\u003c\/div\u003e\n\u003cdiv class=\"cs\"\u003eTE buffer, standard pH solutions\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tris8019-sh\"\u003eFAQs\u003c\/div\u003e\n\u003cdiv class=\"tris8019-faq\"\u003e\n\u003cdiv class=\"tris8019-fq\"\u003e\n\u003cdiv class=\"tris8019-fqq\"\u003e❓ Why is Tris buffer's pH so sensitive to temperature?\u003c\/div\u003e\n\u003cdiv class=\"tris8019-fqa\"\u003eTris has an unusually large temperature coefficient compared to many other buffers — pH increases by approximately 0.03 units per 1°C decrease in temperature, and decreases 0.03–0.05 units per ten-fold dilution. This means a Tris buffer calibrated at room temperature will read a different pH in a cold room or on ice. Always use a calibrated pH meter with a glass\/calomel combination electrode at the actual working temperature for precise applications.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tris8019-fq\"\u003e\n\u003cdiv class=\"tris8019-fqq\"\u003e❓ Can Tris buffer be used with all enzymes and proteins?\u003c\/div\u003e\n\u003cdiv class=\"tris8019-fqa\"\u003eNot universally — Tris has been reported to interfere with the activity of a number of enzymes, since its primary amine group can participate in unwanted side reactions (e.g. with aldehydes, or by acting as a weak nucleophile). Caution is advised when working with enzyme assays or protein systems sensitive to primary amines; alternative buffers (e.g. HEPES, phosphate buffer) may be preferable for these specific applications.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tris8019-fq\"\u003e\n\u003cdiv class=\"tris8019-fqq\"\u003e❓ What's the difference between Tris base and Tris HCl?\u003c\/div\u003e\n\u003cdiv class=\"tris8019-fqa\"\u003eTris base (this product, CAS 77-86-1) is the free-base form, alkaline in solution, and is typically titrated down to the desired pH with an acid (commonly HCl). Tris HCl (CAS 1185-53-1) is the pre-formed hydrochloride salt, acidic in solution, and is titrated up with a base (commonly NaOH). Both reach the same buffering chemistry once at the target pH — the choice is largely a matter of which direction you prefer to titrate from.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tris8019-sh\"\u003eIntended Use\u003c\/div\u003e\n\u003cdiv class=\"tris8019-warn\"\u003e⚠️ For laboratory research use only. Not for diagnostic or therapeutic use.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- TAB 2: TECHNICAL DATA --\u003e\n\u003cdiv class=\"tris8019-panel\" id=\"trp2\"\u003e\n\u003cdiv class=\"tris8019-sh\"\u003eChemical \u0026amp; Physical Information\u003c\/div\u003e\n\u003ctable class=\"tris8019-tbl\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003eTris(hydroxymethyl)aminomethane (Tris Buffer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCatalogue Number\u003c\/td\u003e\n\u003ctd\u003eASC-8019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAS Number\u003c\/td\u003e\n\u003ctd\u003e77-86-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemical Formula\u003c\/td\u003e\n\u003ctd\u003eC₄H₁₁NO₃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMolecular Weight\u003c\/td\u003e\n\u003ctd\u003e121.14 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEC Number\u003c\/td\u003e\n\u003ctd\u003e201-064-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAppearance\u003c\/td\u003e\n\u003ctd\u003eWhite crystalline powder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMelting Point\u003c\/td\u003e\n\u003ctd\u003e171–176°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoiling Point\u003c\/td\u003e\n\u003ctd\u003e219–220°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolubility\u003c\/td\u003e\n\u003ctd\u003eFreely soluble in water (~50 g\/100 mL at 25°C); soluble in ethanol; slightly soluble in ethyl acetate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epKa\u003c\/td\u003e\n\u003ctd\u003e8.06–8.1 at 20–25°C (temperature-dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffective Buffer Range\u003c\/td\u003e\n\u003ctd\u003epH 7.0–9.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"tris8019-sh\"\u003eSynonyms\u003c\/div\u003e\n\u003cdiv class=\"tris8019-info\"\u003eTrizma base · Tris base · THAM · Trometamol · Tromethamine · 2-Amino-2-(hydroxymethyl)-1,3-propanediol · Trimethylolaminomethane · Tris-Amino\u003c\/div\u003e\n\u003cdiv class=\"tris8019-sh\"\u003eBuffer Preparation Notes\u003c\/div\u003e\n\u003ctable class=\"tris8019-tbl\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"hi\"\u003e\n\u003ctd\u003eTemperature Sensitivity\u003c\/td\u003e\n\u003ctd\u003epH increases ~0.03 unit per 1°C decrease in temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilution Sensitivity\u003c\/td\u003e\n\u003ctd\u003epH decreases 0.03–0.05 unit per ten-fold dilution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hi\"\u003e\n\u003ctd\u003eRecommended Measurement\u003c\/td\u003e\n\u003ctd\u003eUse a calibrated pH meter with a glass\/calomel combination electrode at working temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon Formulations\u003c\/td\u003e\n\u003ctd\u003eTE buffer, TAE buffer, TBE buffer, Tris-glycine (SDS-PAGE running buffer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"tris8019-sh\"\u003eStorage \u0026amp; Stability\u003c\/div\u003e\n\u003cdiv class=\"tris8019-info\"\u003eStore in a cool, dry place, tightly sealed, protected from moisture. Relatively non-hygroscopic and stable under recommended storage conditions.\u003c\/div\u003e\n\u003cdiv class=\"tris8019-sh\"\u003eLiterature \u0026amp; References\u003c\/div\u003e\n\u003ctable class=\"tris8019-tbl\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eSambrook J, Russell DW. Molecular Cloning: A Laboratory Manual, 4th ed. Cold Spring Harbor Laboratory Press, 2012.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eGood NE, et al. Hydrogen ion buffers for biological research. Biochemistry. 1966;5(2):467–477.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- TAB 3: SAFETY DATA --\u003e\n\u003cdiv class=\"tris8019-panel\" id=\"trp3\"\u003e\n\u003cdiv class=\"tris8019-warn\"\u003e⚠️ Full 16-section GHS SDS available — \u003ca style=\"color: #8a6820;\" href=\"mailto:support@ausamics.com\"\u003esupport@ausamics.com\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tris8019-sh\"\u003eHazard Identification (GHS 7th Ed \/ WHS 2023)\u003c\/div\u003e\n\u003cdiv class=\"tris8019-pictos\"\u003e\n\u003cdiv class=\"tris8019-picto\"\u003e\n\u003cdiv class=\"tris8019-picto-inner\"\u003e!\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cspan style=\"font-size: 12px; color: #6b4b12;\"\u003eGHS07 — Irritant\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ctable class=\"tris8019-tbl\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eClassification\u003c\/td\u003e\n\u003ctd\u003eSkin Irritation Category 2; Eye Irritation Category 2; Specific Target Organ Toxicity — Single Exposure (Respiratory Irritation) Category 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Word\u003c\/td\u003e\n\u003ctd\u003eWarning\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.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"tris8019-sh\"\u003eHandling \u0026amp; PPE\u003c\/div\u003e\n\u003ctable class=\"tris8019-tbl\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngineering Controls\u003c\/td\u003e\n\u003ctd\u003eLocal exhaust ventilation or fume hood when weighing bulk powder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePPE\u003c\/td\u003e\n\u003ctd\u003eSafety glasses or goggles, chemical-resistant gloves (nitrile), lab coat; P1\/P2 particulate respirator for bulk powder handling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eCool, dry place, tightly sealed, protected from moisture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"tris8019-sh\"\u003eFirst Aid Summary\u003c\/div\u003e\n\u003ctable class=\"tris8019-tbl\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eEyes\u003c\/td\u003e\n\u003ctd\u003eRinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Seek medical attention if irritation persists.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSkin\u003c\/td\u003e\n\u003ctd\u003eWash with plenty of soap and water. Remove contaminated clothing. Seek medical attention if irritation persists.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInhalation\u003c\/td\u003e\n\u003ctd\u003eRemove to fresh air and keep at rest in a position comfortable for breathing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIngestion\u003c\/td\u003e\n\u003ctd\u003eRinse mouth. Do not induce vomiting. Seek medical advice if a large quantity is swallowed.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"tris8019-sh\"\u003eTransport \u0026amp; Regulatory\u003c\/div\u003e\n\u003ctable class=\"tris8019-tbl\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransport\u003c\/td\u003e\n\u003ctd\u003eNot classified as dangerous goods (ADG \/ IATA \/ IMDG)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWHS Regulations 2023\u003c\/td\u003e\n\u003ctd\u003eClassified per GHS 7th Edition as outlined above\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- TAB 4: QUALITY \u0026 COA --\u003e\n\u003cdiv class=\"tris8019-panel\" id=\"trp4\"\u003e\n\u003cdiv class=\"tris8019-sh\"\u003eQuality Specifications\u003c\/div\u003e\n\u003ctable class=\"tris8019-tbl\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eTypical Specification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr class=\"hi\"\u003e\n\u003ctd\u003eAppearance\u003c\/td\u003e\n\u003ctd\u003eWhite crystalline powder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssay (titration)\u003c\/td\u003e\n\u003ctd\u003e≥ 99.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hi\"\u003e\n\u003ctd\u003eMelting Point\u003c\/td\u003e\n\u003ctd\u003e171–176°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIdentification\u003c\/td\u003e\n\u003ctd\u003eConcordant with reference spectrum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hi\"\u003e\n\u003ctd\u003eHeavy Metals\u003c\/td\u003e\n\u003ctd\u003eWithin manufacturer specification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH (0.1M aqueous solution)\u003c\/td\u003e\n\u003ctd\u003e10.0–11.5 (unadjusted; free base is alkaline before titration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hi\"\u003e\n\u003ctd\u003eBatch Documentation\u003c\/td\u003e\n\u003ctd\u003eLot number, release date, and applicable QC results included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"tris8019-sh\"\u003eManufacturing \u0026amp; Documentation\u003c\/div\u003e\n\u003cdiv class=\"tris8019-info\"\u003e\n\u003cstrong\u003eManufactured \/ repackaged by AuSaMicS Pty Ltd\u003c\/strong\u003e\u003cbr\u003e36\/25 Trafalgar Road, Epping, VIC 3076, Australia | ABN 56 676 640 467\u003cbr\u003e\u003cbr\u003e✓ High-purity biological buffer grade\u003cbr\u003e✓ Identity confirmed by reference spectrum\u003cbr\u003e✓ Batch QC — appearance, assay, melting point\u003cbr\u003e✓ COA and SDS included with every order\u003cbr\u003e✓ Australian stock — same-week dispatch, no import delays\u003c\/div\u003e\n\u003cdiv class=\"tris8019-warn\"\u003e⚠️ For laboratory and research use only. Not for diagnostic or therapeutic use.\u003c\/div\u003e\n\u003cdiv class=\"tris8019-sh\"\u003eBatch-Specific Certificate of Analysis\u003c\/div\u003e\n\u003cp style=\"font-size: 13.5px; color: #374151;\"\u003eEvery lot ships with its own Certificate of Analysis, documenting appearance, assay, melting point, and identity confirmation before release.\u003c\/p\u003e\n\u003cdiv class=\"tris8019-info\"\u003e\n\u003cstrong\u003eBatch-specific COA:\u003c\/strong\u003e Contact \u003ca href=\"mailto:support@ausamics.com\"\u003esupport@ausamics.com\u003c\/a\u003e quoting the catalogue number and lot number.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tris8019-footer\"\u003e\n\u003cstrong\u003eAuSaMicS Pty Ltd\u003c\/strong\u003e | 36\/25 Trafalgar Road, Epping, VIC 3076, Australia | ABN 56 676 640 467\u003cbr\u003esupport@ausamics.com | +61 412 520 598 | www.ausamics.com.au\u003cbr\u003e\u003cspan style=\"color: #94a3b8;\"\u003eThe information provided is accurate to the best of our knowledge at the time of publication. AuSaMicS Pty Ltd accepts no liability for any loss, damage, or injury arising from use outside the intended application. This document does not constitute a warranty of any kind.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n:root{\n  --tris-purple-deep:#4A3B6B; --tris-purple:#7B62A8; --tris-purple-light:#C4B5E0;\n  --tris-pale:#F3F0FA; --tris-pale2:#FAF8FD; --tris-border:#E0D8F0; --tris-gold:#C9A84C;\n}\n.tris8019{font-family:Arial,Helvetica,sans-serif;color:#1f2937;max-width:900px;margin:0 auto;line-height:1.65}\n.tris8019-hero{background:linear-gradient(135deg,#4A3B6B 0%,#7B62A8 55%,#C4B5E0 100%);border-radius:10px 10px 0 0;padding:34px 30px;color:#fff;position:relative;overflow:hidden}\n.tris8019-hero::after{content:'Tris';font-size:80px;font-weight:800;color:rgba(255,255,255,.08);position:absolute;right:16px;bottom:-14px;pointer-events:none;font-family:monospace}\n.tris8019-hero h1{margin:0 0 6px;font-size:25px;font-weight:800;color:#fff}\n.tris8019-hero p{font-size:14px;color:#EAE3F7;margin:0 0 16px;max-width:720px}\n.tris8019-badges{display:flex;flex-wrap:wrap;gap:6px}\n.tris8019-badge{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);border-radius:20px;padding:4px 12px;font-size:11px;color:#fff;font-weight:600}\n.tris8019-badge.gold{background:var(--tris-gold);color:#2b2109;border:none}\n.tris8019-badge.amber{background:rgba(200,150,50,.22);border-color:#c8a040;color:#f0d880}\n.tris8019-strip{display:grid;grid-template-columns:repeat(4,1fr);background:var(--tris-pale);border-left:1px solid var(--tris-border);border-right:1px solid var(--tris-border)}\n.tris8019-si{padding:10px 13px;border-right:1px solid var(--tris-border);border-bottom:3px solid var(--tris-purple)}\n.tris8019-si:last-child{border-right:none}\n.tris8019-sl{font-size:9px;font-weight:700;color:var(--tris-purple-deep);letter-spacing:.1em;text-transform:uppercase;margin-bottom:2px}\n.tris8019-sv{font-size:13px;font-weight:700;color:#1f2937}\n.tris8019-trust{display:grid;grid-template-columns:repeat(4,1fr);background:var(--tris-purple-deep)}\n.tris8019-ti{padding:9px 13px;border-right:1px solid rgba(255,255,255,.15);font-size:11px;color:#fff}\n.tris8019-ti:last-child{border-right:none}\n.tris8019-ti strong{display:block;font-size:11px;color:var(--tris-purple-light);margin-bottom:1px}\n.tris8019-radio{display:none}\n.tris8019-tabrow{display:flex;flex-wrap:wrap;gap:3px;border-bottom:2px solid var(--tris-border);background:var(--tris-pale);padding:7px 7px 0}\n.tris8019-tabrow label{background:var(--tris-border);border:1px solid #D0C0EA;border-bottom:none;border-radius:5px 5px 0 0;padding:8px 15px;font-size:13px;font-weight:600;color:var(--tris-purple-deep);cursor:pointer;user-select:none;transition:background .15s}\n.tris8019-tabrow label:hover{background:#D0C0EA}\n.tris8019-panels .tris8019-panel{display:none;background:#fff;border:1px solid var(--tris-border);border-top:none;border-radius:0 0 8px 8px;padding:26px 22px}\n#tr1:checked~.tris8019-tabwrap .tris8019-panels #trp1,\n#tr2:checked~.tris8019-tabwrap .tris8019-panels #trp2,\n#tr3:checked~.tris8019-tabwrap .tris8019-panels #trp3,\n#tr4:checked~.tris8019-tabwrap .tris8019-panels #trp4{display:block}\n#tr1:checked~.tris8019-tabwrap .tris8019-tabrow label[for=tr1],\n#tr2:checked~.tris8019-tabwrap .tris8019-tabrow label[for=tr2],\n#tr3:checked~.tris8019-tabwrap .tris8019-tabrow label[for=tr3],\n#tr4:checked~.tris8019-tabwrap .tris8019-tabrow label[for=tr4]{background:#fff;color:var(--tris-purple);border-bottom:2px solid #fff;margin-bottom:-2px;font-weight:700}\n.tris8019-sh{background:var(--tris-purple);color:#fff;padding:7px 14px;border-radius:4px;font-size:13px;font-weight:700;margin:22px 0 10px;letter-spacing:.03em}\n.tris8019-sh:first-child{margin-top:0}\n.tris8019-tbl{width:100%;border-collapse:collapse;font-size:14px;margin-bottom:14px}\n.tris8019-tbl th{background:var(--tris-border);color:var(--tris-purple-deep);font-weight:700;padding:9px 11px;text-align:left;border-bottom:2px solid #D0C0EA}\n.tris8019-tbl td{padding:8px 11px;border-bottom:1px solid var(--tris-pale);color:#374151;vertical-align:top}\n.tris8019-tbl tr:last-child td{border-bottom:none}\n.tris8019-tbl td:first-child{font-weight:600;color:var(--tris-purple-deep)}\n.tris8019-tbl .hi{background:var(--tris-pale2)}\n.tris8019-info{background:var(--tris-pale);border-left:4px solid var(--tris-purple);border-radius:0 5px 5px 0;padding:12px 16px;margin:12px 0;font-size:14px;color:#1f2937}\n.tris8019-warn{background:#FFF9EA;border-left:4px solid #B7791F;border-radius:0 5px 5px 0;padding:11px 15px;font-size:13px;color:#6B4B12;margin:10px 0}\n.tris8019-danger{background:#fef2f2;border-left:4px solid #8a2020;border-radius:0 5px 5px 0;padding:12px 16px;font-size:13px;color:#7a1a1a;margin:10px 0;font-weight:600}\n.tris8019-apps{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin:12px 0}\n.tris8019-app{background:var(--tris-pale);border:1px solid var(--tris-border);border-top:3px solid var(--tris-purple);border-radius:6px;padding:12px;text-align:center}\n.tris8019-app .ico{font-size:22px;margin-bottom:5px}\n.tris8019-app .ct{font-size:13px;font-weight:600;color:var(--tris-purple-deep)}\n.tris8019-app .cs{font-size:11px;color:#6b7280;margin-top:2px}\n.tris8019-faq{border:1px solid var(--tris-border);border-radius:7px;overflow:hidden;margin:12px 0}\n.tris8019-fq{border-bottom:1px solid var(--tris-border)}\n.tris8019-fq:last-child{border-bottom:none}\n.tris8019-fqq{padding:11px 14px;font-size:14px;font-weight:600;color:var(--tris-purple-deep);background:var(--tris-pale)}\n.tris8019-fqa{padding:10px 14px;font-size:13.5px;color:#374151}\n.tris8019-pictos{display:flex;gap:12px;margin:14px 0;align-items:center}\n.tris8019-picto{width:64px;height:64px;border:3px solid #c0392b;background:#fff;transform:rotate(45deg);display:flex;align-items:center;justify-content:center;flex-shrink:0}\n.tris8019-picto-inner{transform:rotate(-45deg);font-size:26px;color:#c0392b;font-weight:900}\n.tris8019-footer{background:var(--tris-pale);border-top:3px solid var(--tris-purple-deep);border-radius:0 0 8px 8px;padding:14px 20px;font-size:12px;color:#555}\n@media(max-width:600px){.tris8019-hero{padding:20px 14px}.tris8019-hero h1{font-size:20px}.tris8019-strip{grid-template-columns:repeat(2,1fr)}.tris8019-trust{grid-template-columns:repeat(2,1fr)}.tris8019-panels .tris8019-panel{padding:16px 11px}}\n\u003c\/style\u003e","brand":"AuSaMicS","offers":[{"title":"250 g","offer_id":49066744152319,"sku":"ASC-8019-250G","price":39.0,"currency_code":"AUD","in_stock":true},{"title":"500 g","offer_id":49066744185087,"sku":"ASC-8019-500G","price":67.0,"currency_code":"AUD","in_stock":true},{"title":"1 kg","offer_id":49066744217855,"sku":"ASC-8019-1KG","price":107.0,"currency_code":"AUD","in_stock":true},{"title":"5 kg","offer_id":49066744250623,"sku":"ASC-8019-5KG","price":427.0,"currency_code":"AUD","in_stock":true}],"url":"https:\/\/ausamics.com.au\/products\/tris-buffer-nbsp-trishydroxymethylaminomethane-l-cat-asc-8019","provider":"AuSaMicS","version":"1.0","type":"link"}