AMMONIUM METATUNGSTATE
- CAS NO.：12028-48-7
- Empirical Formula: H4NO40W12(-5)
- Molecular Weight: 2864.08
- MDL number: MFCD00042673
- EINECS: 234-733-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-08-08 17:12:36
What is AMMONIUM METATUNGSTATE?
Chemical properties
white crystal(s); formula also given as (NH4)6H2W12O40 and (NH4)6W12O39 ·4H2O; preparation: reaction of NH4OH with tungstic acid; uses: to prepare tungsten alloys and ammonium phosphotungstate [HAW93] [STR93] [ALD94]
Flammability and Explosibility
Not classified
Properties of AMMONIUM METATUNGSTATE
| Melting point: | 100 °C (dec.)(lit.) |
| Density | 4[at 20℃] |
| solubility | H2O: 0.1 g/mL, clear, colorless |
| form | Powder |
| color | white |
| Water Solubility | Soluble in water. Insoluble in alcohol. |
| CAS DataBase Reference | 12028-48-7 |
| EPA Substance Registry System | Tungstate (W12(OH)2O386-), hexaammonium (12028-48-7) |
Safety information for AMMONIUM METATUNGSTATE
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P321:Specific treatment (see … on this label). P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. |
Computed Descriptors for AMMONIUM METATUNGSTATE
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