7783-03-1
7783-03-1 structure
- Name: Tungstic acid
- Chemical Name: tungstic acid
- CAS Number: 7783-03-1
- Molecular Formula: H2O4W
- Molecular Weight: 249.854
- Catalog: Inorganic chemical industry Inorganic acid
- Create Date: 2018-07-10 11:51:40
- Modify Date: 2026-07-04 02:07:06
| Name | tungstic acid |
|---|---|
| Synonyms |
EINECS 231-975-2
Tungstic acid, R TUNGSTIC ACID extrapure Wolframic acid Tunstic acid TUNGSTIC(VI) ACID Tungstate (WO42-), dihydrogen, (T-4) dihydrogen,(T-4)-Tungstate TungsticAcid Tungstic acid >= (calcined substance, T), powder Tungstate,dihydrogen Dihydrogen wolframate ungsticaci Tungstic acid, trace Metals basis Tungstate(WO42-), hydrogen (1:2), (T-4) Dihydroxy(dioxo)tungsten TUNGSTIC ACID, REAGENTTUNGSTIC ACID, REAGENTTUNGSTIC ACID, REAGENTTUNGSTIC ACID TUNGSTIC ACID FREE ACID Wolfram(VI)dihydoxide dioxide Tungstic(VI) acid (beta-4)-tungstate(wo42-dihydrogen MFCD00011336 O2W(OH)2 Orthotungstic acid Tungstate,dihydrogen,(T-4) TUNGSTIC ACID, POWDER Hydrogen tungstate(VI) dihydroxy-dioxotungsten dihydroxidodioxidotungsten TUNGSTIC ACID TUNGSTIC ACID EXTRA |
| Density | 5.5 g/mL at 25 °C(lit.) |
|---|---|
| Boiling Point | 1473°C |
| Melting Point | 100°C (dec.) |
| Molecular Formula | H2O4W |
| Molecular Weight | 249.854 |
| Flash Point | 1473°C |
| Exact Mass | 249.946213 |
| PSA | 74.60000 |
| Index of Refraction | 2.24 |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Water Solubility | insoluble |
| Personal Protective Equipment | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
|---|---|
| Hazard Codes | C |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S24/25 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| RTECS | YO7840000 |