A7671512
Tungstic acid , 99.95%metalsbasis , 7783-03-1
Synonym(s):
Tungstic(VI) acid
CAS NO.：7783-03-1
Empirical Formula: HO4W-
Molecular Weight: 248.84
MDL number: MFCD00011336
EINECS: 231-975-2
| Pack Size | Price | Stock | Quantity |
| 25g | RMB36.00 | In Stock |
|
| 100G | RMB87.20 | In Stock |
|
| 500G | RMB324.80 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 100°C (dec.) |
| Boiling point: | 1473°C |
| Density | 5.5 g/mL at 25 °C (lit.) |
| refractive index | 2.24 |
| Flash point: | 1473°C |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | insoluble in H2O, acid solutions; soluble in alkaline solutions |
| form | powder |
| color | Yellow to yellow-greenish |
| Specific Gravity | 5.5 |
| Water Solubility | insoluble |
| Merck | 14,9818 |
| Exposure limits | ACGIH: TWA 3 mg/m3 NIOSH: TWA 5 mg/m3; STEL 10 mg/m3 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 7783-03-1(CAS DataBase Reference) |
| NIST Chemistry Reference | Tungstic acid(7783-03-1) |
| EPA Substance Registry System | Tungstate (WO42-), dihydrogen, (T-4)- (7783-03-1) |
Description and Uses
Tungstic Acid is used as a starting material in the synthesis of polynanocomposite material and polycrystalline ceramics.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 |
| Risk Statements | 36/37/38 |
| Safety Statements | 24/25 |
| WGK Germany | 3 |
| RTECS | YO7840000 |
| TSCA | Yes |
| HS Code | 28259011 |
