{"product_id":"phosphotungstic-acid-hydrate-powder","title":"Phosphotungstic Acid Hydrate Powder (CAS 12501-23-4) | Tungstophosphoric Acid | Electron Microscopy \u0026 Analytical Reagent |","description":"\u003ch3 data-start=\"783\" data-end=\"825\"\u003ePhosphotungstic Acid Hydrate Powder\u003c\/h3\u003e\n\u003cp data-start=\"826\" data-end=\"884\"\u003e\u003cstrong data-start=\"826\" data-end=\"852\"\u003eTungstophosphoric Acid\u003c\/strong\u003e\u003cbr data-start=\"852\" data-end=\"855\"\u003e\u003cstrong data-start=\"855\" data-end=\"884\"\u003eCatalogue Number: ASD-620\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"886\" data-end=\"889\"\u003e\n\u003ch3 data-start=\"891\" data-end=\"916\"\u003eProduct Identification\u003c\/h3\u003e\n\u003cul data-start=\"918\" data-end=\"1263\"\u003e\n\u003cli data-start=\"918\" data-end=\"969\"\u003e\n\u003cp data-start=\"920\" data-end=\"969\"\u003e\u003cstrong data-start=\"920\" data-end=\"938\"\u003eChemical Name:\u003c\/strong\u003e Phosphotungstic Acid Hydrate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"970\" data-end=\"1009\"\u003e\n\u003cp data-start=\"972\" data-end=\"1009\"\u003e\u003cstrong data-start=\"972\" data-end=\"984\"\u003eSynonym:\u003c\/strong\u003e Tungstophosphoric Acid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1010\" data-end=\"1040\"\u003e\n\u003cp data-start=\"1012\" data-end=\"1040\"\u003e\u003cstrong data-start=\"1012\" data-end=\"1027\"\u003eCAS Number:\u003c\/strong\u003e 12501-23-4\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1041\" data-end=\"1086\"\u003e\n\u003cp data-start=\"1043\" data-end=\"1086\"\u003e\u003cstrong data-start=\"1043\" data-end=\"1065\"\u003eMolecular Formula:\u003c\/strong\u003e H₃[P(W₃O₁₀)₄]·xH₂O\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1087\" data-end=\"1158\"\u003e\n\u003cp data-start=\"1089\" data-end=\"1158\"\u003e\u003cstrong data-start=\"1089\" data-end=\"1110\"\u003eMolecular Weight:\u003c\/strong\u003e ~2880.20 g\/mol (dependent on hydration level)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1159\" data-end=\"1218\"\u003e\n\u003cp data-start=\"1161\" data-end=\"1218\"\u003e\u003cstrong data-start=\"1161\" data-end=\"1176\"\u003eAppearance:\u003c\/strong\u003e White to pale yellow crystalline powder\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1219\" data-end=\"1263\"\u003e\n\u003cp data-start=\"1221\" data-end=\"1263\"\u003e\u003cstrong data-start=\"1221\" data-end=\"1231\"\u003eGrade:\u003c\/strong\u003e Laboratory \/ Analytical grade\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1265\" data-end=\"1268\"\u003e\n\u003ch3 data-start=\"1270\" data-end=\"1289\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp data-start=\"1291\" data-end=\"1583\"\u003ePhosphotungstic Acid Hydrate is a heteropoly acid widely used in electron microscopy, histology, analytical chemistry, catalysis, and materials science research. Its strong acidic character and complex metal-oxide structure provide excellent staining, precipitation, and catalytic properties.\u003c\/p\u003e\n\u003cp data-start=\"1585\" data-end=\"1612\"\u003eThis reagent is valued for:\u003c\/p\u003e\n\u003cul data-start=\"1614\" data-end=\"1824\"\u003e\n\u003cli data-start=\"1614\" data-end=\"1686\"\u003e\n\u003cp data-start=\"1616\" data-end=\"1686\"\u003eHigh electron density (ideal for contrast enhancement in microscopy)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1687\" data-end=\"1746\"\u003e\n\u003cp data-start=\"1689\" data-end=\"1746\"\u003eStrong precipitation ability for alkaloids and proteins\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1747\" data-end=\"1790\"\u003e\n\u003cp data-start=\"1749\" data-end=\"1790\"\u003eCatalytic activity in organic synthesis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1791\" data-end=\"1824\"\u003e\n\u003cp data-start=\"1793\" data-end=\"1824\"\u003eStability in aqueous solution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1826\" data-end=\"1969\"\u003eAusAmics supplies high-purity Phosphotungstic Acid Hydrate powder manufactured under controlled conditions for reliable laboratory performance.\u003c\/p\u003e\n\u003chr data-start=\"1971\" data-end=\"1974\"\u003e\n\u003ch3 data-start=\"1976\" data-end=\"1997\"\u003eKey Applications\u003c\/h3\u003e\n\u003ch3 data-start=\"1999\" data-end=\"2031\"\u003e1. Electron Microscopy (TEM)\u003c\/h3\u003e\n\u003cul data-start=\"2032\" data-end=\"2200\"\u003e\n\u003cli data-start=\"2032\" data-end=\"2105\"\u003e\n\u003cp data-start=\"2034\" data-end=\"2105\"\u003eNegative staining of viruses, proteins, and biological macromolecules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2106\" data-end=\"2166\"\u003e\n\u003cp data-start=\"2108\" data-end=\"2166\"\u003eContrast enhancement in transmission electron microscopy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2167\" data-end=\"2200\"\u003e\n\u003cp data-start=\"2169\" data-end=\"2200\"\u003eComponent in fixative systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"2202\" data-end=\"2229\"\u003e2. Histology \u0026amp; Cytology\u003c\/h3\u003e\n\u003cul data-start=\"2230\" data-end=\"2348\"\u003e\n\u003cli data-start=\"2230\" data-end=\"2269\"\u003e\n\u003cp data-start=\"2232\" data-end=\"2269\"\u003eUsed in Masson’s Trichrome staining\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2270\" data-end=\"2319\"\u003e\n\u003cp data-start=\"2272\" data-end=\"2319\"\u003eDifferentiation of collagen and muscle fibers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2320\" data-end=\"2348\"\u003e\n\u003cp data-start=\"2322\" data-end=\"2348\"\u003eImproved tissue contrast\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"2350\" data-end=\"2377\"\u003e3. Analytical Chemistry\u003c\/h3\u003e\n\u003cul data-start=\"2378\" data-end=\"2536\"\u003e\n\u003cli data-start=\"2378\" data-end=\"2443\"\u003e\n\u003cp data-start=\"2380\" data-end=\"2443\"\u003ePrecipitation reagent for alkaloids and nitrogenous compounds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2444\" data-end=\"2481\"\u003e\n\u003cp data-start=\"2446\" data-end=\"2481\"\u003eFormation of heteropoly complexes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2482\" data-end=\"2536\"\u003e\n\u003cp data-start=\"2484\" data-end=\"2536\"\u003eQuantitative and qualitative analysis applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"2538\" data-end=\"2554\"\u003e4. Catalysis\u003c\/h3\u003e\n\u003cul data-start=\"2555\" data-end=\"2691\"\u003e\n\u003cli data-start=\"2555\" data-end=\"2614\"\u003e\n\u003cp data-start=\"2557\" data-end=\"2614\"\u003eAcid catalyst in esterification and oxidation reactions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2615\" data-end=\"2654\"\u003e\n\u003cp data-start=\"2617\" data-end=\"2654\"\u003eRecyclable heteropoly acid catalyst\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2655\" data-end=\"2691\"\u003e\n\u003cp data-start=\"2657\" data-end=\"2691\"\u003eUsed in green chemistry research\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"2693\" data-end=\"2716\"\u003e5. Material Science\u003c\/h3\u003e\n\u003cul data-start=\"2717\" data-end=\"2841\"\u003e\n\u003cli data-start=\"2717\" data-end=\"2762\"\u003e\n\u003cp data-start=\"2719\" data-end=\"2762\"\u003eSynthesis of tungsten oxide nanomaterials\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2763\" data-end=\"2794\"\u003e\n\u003cp data-start=\"2765\" data-end=\"2794\"\u003ePolymer doping applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2795\" data-end=\"2841\"\u003e\n\u003cp data-start=\"2797\" data-end=\"2841\"\u003eSensor and electronic material development\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2843\" data-end=\"2846\"\u003e\n\u003ch3 data-start=\"2848\" data-end=\"2882\"\u003eChemical \u0026amp; Physical Properties\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2884\" data-end=\"3148\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2884\" data-end=\"2912\"\u003e\n\u003ctr data-start=\"2884\" data-end=\"2912\"\u003e\n\u003cth data-start=\"2884\" data-end=\"2895\" data-col-size=\"sm\" class=\"\"\u003eProperty\u003c\/th\u003e\n\u003cth data-start=\"2895\" data-end=\"2912\" data-col-size=\"md\" class=\"\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2942\" data-end=\"3148\"\u003e\n\u003ctr data-start=\"2942\" data-end=\"2998\"\u003e\n\u003ctd data-start=\"2942\" data-end=\"2955\" data-col-size=\"sm\"\u003eAppearance\u003c\/td\u003e\n\u003ctd data-start=\"2955\" data-end=\"2998\" data-col-size=\"md\"\u003eWhite to pale yellow crystalline powder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2999\" data-end=\"3051\"\u003e\n\u003ctd data-start=\"2999\" data-end=\"3012\" data-col-size=\"sm\"\u003eSolubility\u003c\/td\u003e\n\u003ctd data-start=\"3012\" data-end=\"3051\" data-col-size=\"md\"\u003eSoluble in water and polar solvents\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3052\" data-end=\"3111\"\u003e\n\u003ctd data-start=\"3052\" data-end=\"3064\" data-col-size=\"sm\"\u003eStability\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3064\" data-end=\"3111\"\u003eStable under recommended storage conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3112\" data-end=\"3148\"\u003e\n\u003ctd data-start=\"3112\" data-end=\"3122\" data-col-size=\"sm\"\u003eAcidity\u003c\/td\u003e\n\u003ctd data-start=\"3122\" data-end=\"3148\" data-col-size=\"md\"\u003eStrong heteropoly acid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"3150\" data-end=\"3153\"\u003e\n\u003ch3 data-start=\"3155\" data-end=\"3178\"\u003eStorage \u0026amp; Handling\u003c\/h3\u003e\n\u003cul data-start=\"3180\" data-end=\"3325\"\u003e\n\u003cli data-start=\"3180\" data-end=\"3227\"\u003e\n\u003cp data-start=\"3182\" data-end=\"3227\"\u003eStore at 15–25°C in a cool, dry environment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3228\" data-end=\"3261\"\u003e\n\u003cp data-start=\"3230\" data-end=\"3261\"\u003eKeep container tightly sealed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3262\" data-end=\"3287\"\u003e\n\u003cp data-start=\"3264\" data-end=\"3287\"\u003eProtect from moisture\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3288\" data-end=\"3325\"\u003e\n\u003cp data-start=\"3290\" data-end=\"3325\"\u003eAvoid prolonged exposure to light\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3327\" data-end=\"3330\"\u003e\n\u003ch3 data-start=\"3332\" data-end=\"3361\"\u003ePreparation of Solutions\u003c\/h3\u003e\n\u003col data-start=\"3363\" data-end=\"3596\"\u003e\n\u003cli data-start=\"3363\" data-end=\"3403\"\u003e\n\u003cp data-start=\"3366\" data-end=\"3403\"\u003eAccurately weigh required quantity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3404\" data-end=\"3464\"\u003e\n\u003cp data-start=\"3407\" data-end=\"3464\"\u003eDissolve in distilled or deionised water with stirring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3465\" data-end=\"3538\"\u003e\n\u003cp data-start=\"3468\" data-end=\"3538\"\u003ePrepare concentrations as required (commonly 1–5% w\/v for staining).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3539\" data-end=\"3596\"\u003e\n\u003cp data-start=\"3542\" data-end=\"3596\"\u003eStore prepared solutions in tightly sealed containers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr data-start=\"3598\" data-end=\"3601\"\u003e\n\u003ch3 data-start=\"3603\" data-end=\"3619\"\u003eIntended Use\u003c\/h3\u003e\n\u003cp data-start=\"3621\" data-end=\"3720\"\u003eFor laboratory research and industrial applications only.\u003cbr data-start=\"3678\" data-end=\"3681\"\u003eNot for human, veterinary, or food use.\u003c\/p\u003e\n\u003chr data-start=\"3722\" data-end=\"3725\"\u003e\n\u003ch3 data-start=\"3727\" data-end=\"3755\"\u003eQuality \u0026amp; Documentation\u003c\/h3\u003e\n\u003cul data-start=\"3757\" data-end=\"3931\"\u003e\n\u003cli data-start=\"3757\" data-end=\"3811\"\u003e\n\u003cp data-start=\"3759\" data-end=\"3811\"\u003eManufactured under controlled production standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3812\" data-end=\"3844\"\u003e\n\u003cp data-start=\"3814\" data-end=\"3844\"\u003eBatch-specific COA available\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3845\" data-end=\"3875\"\u003e\n\u003cp data-start=\"3847\" data-end=\"3875\"\u003eSDS available upon request\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3876\" data-end=\"3931\"\u003e\n\u003cp data-start=\"3878\" data-end=\"3931\"\u003eTechnical support provided by AusAmics Life Science\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3933\" data-end=\"3936\"\u003e\n\u003ch3 data-start=\"3938\" data-end=\"3970\"\u003eCustoms \u0026amp; Trade Information\u003c\/h3\u003e\n\u003cp data-start=\"3972\" data-end=\"4088\"\u003e\u003cstrong data-start=\"3972\" data-end=\"3995\"\u003eHS Code: 2811.19.90\u003c\/strong\u003e\u003cbr data-start=\"3995\" data-end=\"3998\"\u003eOther inorganic acids and oxygen compounds of non-metals (heteropoly acids classification)\u003c\/p\u003e\n\u003cp data-start=\"4090\" data-end=\"4167\"\u003e(Confirm with freight forwarder if country-specific classification required.)\u003c\/p\u003e\n\u003chr data-start=\"4169\" data-end=\"4172\"\u003e","brand":"Ausamics Life Science","offers":[{"title":"10 g","offer_id":48207209922815,"sku":"ASD-620_DR-LS-10G","price":37.0,"currency_code":"AUD","in_stock":true},{"title":"25 g","offer_id":48207209955583,"sku":"ASD-620_DR-LS-25G","price":57.0,"currency_code":"AUD","in_stock":true},{"title":"100 g","offer_id":48207209988351,"sku":"ASD-620_DR-LS-100G","price":147.0,"currency_code":"AUD","in_stock":true},{"title":"250 g","offer_id":48207210021119,"sku":"ASD-620_DR-LS-250G","price":297.0,"currency_code":"AUD","in_stock":true},{"title":"500 g","offer_id":48207210053887,"sku":"ASD-620_DR-LS-500G","price":457.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/1087\/0271\/files\/PhosphotungsticAcidHydrate_Powder.jpg?v=1771716564","url":"https:\/\/ausamics.com.au\/products\/phosphotungstic-acid-hydrate-powder","provider":"AuSaMicS","version":"1.0","type":"link"}