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| | Phosphotungstic acid 44-hydrate Basic information |
| | Phosphotungstic acid 44-hydrate Chemical Properties |
| Melting point | 89℃ [HAW93] | | RTECS | TH5650000 | | storage temp. | Inert atmosphere,2-8°C | | solubility | very soluble in H2O; soluble in ethanol, ethyl ether | | form | Powder | | color | White to pale yellow | | Water Solubility | practical insoluble | | Merck | 14,7364 | | Exposure limits | ACGIH: TWA 3 mg/m3 | | EPA Substance Registry System | Tungsten hydroxide oxide phosphate (12067-99-1) |
| Hazard Codes | C | | Risk Statements | 34 | | Safety Statements | 26-36/37/39-45-24/25 | | RIDADR | UN 3264 8/PG 2 | | WGK Germany | 3 | | TSCA | Yes | | HazardClass | 5.1 | | PackingGroup | III | | HS Code | 28112900 | | Toxicity | rat,LD50,oral,3300mg/kg (3300mg/kg),Toxicology and Applied Pharmacology. Vol. 42, Pg. 417, 1977. |
| | Phosphotungstic acid 44-hydrate Usage And Synthesis |
| Chemical Properties | white to pale yellow crystalline powder | | Uses | As reagent for alkaloids and many other nitrogen bases, for phenols, albumin, peptone, amino acids, uric acid, urea, blood, carbohydrates; as biological stain. | | Safety Profile | Moderately toxic by
ingestion. When heated to decomposition it
emits toxic fumes of POx. |
| | Phosphotungstic acid 44-hydrate Preparation Products And Raw materials |
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