| Merck 100582 Tungstophosphoric acid hydrate cryst. EMPLURA® | |
|---|---|
| Catalogue Number | 100582 |
| Synonyms | Phosphotungstic acid |
| Description | Tungstophosphoric acid hydrate |
| Product Information | |
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| CAS number | 12501-23-4 |
| EC number | 215-682-7 |
| Hill Formula | H₃O₄₀PW₁₂ * x H₂O |
| Chemical formula | H₃[P(W₃O₁₀)₄] * x H₂O |
| Molar Mass | 2880.05 g/mol (anhydrous) |
| HS Code | 2811 19 80 |
| Quality Level | MQ200 |
| Physicochemical Information | |
|---|---|
| Melting Point | 95 °C |
| pH value | 2 (H₂O, 20 °C) |
| Vapor pressure | 25.62 hPa (25 °C) |
| Bulk density | 960 kg/m3 |
| Toxicological Information | |
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| LD 50 oral | LD50 Rat 3300 mg/kg |
| Safety Information | |
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| Categories of danger | corrosive |
| Storage and Shipping Information | |
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| Storage | Store at +15 °C to +25 °C. |
| Specifications | |
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| Chloride (Cl) | ≤ 0.01 % |
| Sulfate (SO₄) | ≤ 0.01 % |
| Cu (Copper) | ≤ 0.001 % |
| Fe (Iron) | ≤ 0.002 % |
| Pb (Lead) | ≤ 0.005 % |
| Loss on ignition (750 °C) | ≤ 17 % |