Phosphotungstic acid hydrate
General information
General information
| Chemical formula: H₃O₄₀PW₁₂ . x H₂O | Molar Mass: 2880.05 g/mol (anhydrous) |
| Appearance: White to yellow to beige to gray powder or crystals. | Bulk density: 960 kg/m3 |
| Solub. in water: 200 g/100 ml | Melting point: 95 °C |
| Vapor pressure : 25.62 hPa (25 °C) | pH value: 2 (20°C) |
| Storage temp.: +15°C to +25°C | Cautions: corrosive |
| R: N/A | S: N/A |
| HS-No.: 2811 19 80 | EC number: 215-682-7 |
Specification
Specification
| Description | Conforms | ||
| Solubility | Conforms | ||
| Substance insoluble in water | ≤ | 0.01 | % |
| Chloride (Cl) | ≤ | 0.01 | % |
| Sulfate (SO₄) | ≤ | 0.01 | % |
| Total nitrogen (N) | ≤ | 0.005 | % |
| Lead (Pb) | ≤ | 0.005 | % |
| Iron (Fe) | ≤ | 0.002 | % |
| Copper (Cu) | ≤ | 0.001 | % |
| Loss on ignition (750 °C) | ≤ | 17.0 | % |
Ordering code
Ordering code
| Ordering code | 25 g | 50 g | 100 g | 250 g | 1000g |
| P.E. | 555.05.01000.02 | ||||
| Glass | 555.05.00050.01 |
Hazard symbol
Hazard symbol
| Hazard Symbol |
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محصولات مرتبط
