| Name | Sodium dodecatungstophosphate hydrate |
| Synonyms | sodium tungsten phosphate hydroxide oxygen(-2) anion SodiuM phosphotungstat SODIUM TUNGSTOPHOSPHATE SODIUM PHOSPHOTUNGSTATE SODIUM PHOSPHOTUNGSTATE N-HYDRATE Sodium dodecatungstophosphate hydrate sodiumtungstenhydroxideoxidephosphate SodiuM phosphotungstate oCLadecahydrate phosphotungstic acid sodium crystalline Sodium phosphowolframate octadecahydrate Sodiumdodecatungsto phosphate octadecahydrate |
| CAS | 51312-42-6 |
| EINECS | 257-132-9 |
| InChI | InChI=1/Na.H3O4P.H2O.O.W/c;1-5(2,3)4;;;/h;(H3,1,2,3,4);1H2;;/q+1;;;-2;/p-4 |
| Molecular Formula | Na3O40PW12 |
| Molar Mass | 2946 |
| Melting Point | 350°C |
| Boling Point | 158°C at 760 mmHg |
| Water Solubility | very soluble H2O, alcohol [HAW93] |
| Solubility | Soluble in water. |
| Vapor Presure | 1.41mmHg at 25°C |
| Appearance | White crystal |
| Exposure Limit | ACGIH: TWA 3 mg/m3 |
| Storage Condition | Store at RT. |
| Sensitive | Easily absorbing moisture |
| MDL | MFCD00148885 |
| Use | Used as a reagent for the determination of alkaloids, urea acid, potassium |
| Hazard Symbols | Xn - Harmful![]() |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| UN IDs | 1479 |
| WGK Germany | 3 |
| RTECS | TH5775000 |
| TSCA | Yes |
| Hazard Class | 5.1 |
| Packing Group | III |
| Raw Materials | Phosphoric acid Sodium hydroxide Tungstic acid |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Use | Used as a reagent for the determination of alkaloids, urea acid, and potassium |