MERCK 100582.0100 Tungstophosphoric Acid Hydrate cryst. Extra Pure CAS No.12501-23-4
| Description |
|---|
| Catalogue Number | 100582 |
| Synonyms | Phosphotungstic acid |
| Description | Tungstophosphoric acid hydrate |
| Product Information |
|---|
| 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 90 |
| 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 |
|---|
| LD 50 oral | LD50 Rat 3300 mg/kg |
| Safety Information according to GHS |
|---|
| Hazard Pictogram(s) | |
| Hazard Statement(s) | H302: Harmful if swallowed.H314: Causes severe skin burns and eye damage.H411: Toxic to aquatic life with long lasting effects. |
| Precautionary Statement(s) | P260: Do not breathe dust or mist.P273: Avoid release to the environment.P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
| Signal Word | Danger |
| Storage class | 8A Combustible, corrosive hazardous materials |
| WGK | WGK 2 obviously hazardous to water |
| Disposal | 14Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535). |
| Safety Information |
|---|
| Categories of danger | corrosive |
| Storage and Shipping Information |
|---|
| Storage | Store at +15°C to +25°C. |
| Transport Information |
|---|
| Declaration (railroad and road) ADR, RID | UN 3260, 8, III |
| Declaration (transport by air) IATA-DGR | UN 3260, 8, III |
| Declaration (transport by sea) IMDG-Code | UN 3260, 8, III, Segregation Group: 1 (Acids) |
| Specifications |
|---|
| 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 % |
| Global Trade Item Number |
|---|
| Catalogue Number | GTIN |
|---|
| 1005820100 | 04022536008226 |
| 1005829025 | 04022536008240 |
