TUNGSTEN
- Product Name:TUNGSTEN
- CAS:13472-45-2
- MF:Na2O4W
- MW:293.81714
- EINECS:680-637-4
- Mol File:13472-45-2.mol
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TUNGSTEN Chemical Properties
- Melting point:3410 °C(lit.)
- Boiling point:5660 °C(lit.)
- Density 2.3 g/mL at 25 °C(lit.)
- solubility H2O: soluble
- form wire
- Water Solubility g/100g H2O: 71.5 (0°C), 73.0 (20°C), 97.2 (100°C) [LAN05]
- Merck 13,8772
- CAS DataBase Reference13472-45-2(CAS DataBase Reference)
- EPA Substance Registry SystemSodium tungsten oxide (Na2WO4) (13472-45-2)
- Language:EnglishProvider:SigmaAldrich
- Language:EnglishProvider:ACROS
- Language:EnglishProvider:ALFA
TUNGSTEN Usage And Synthesis
- Chemical PropertiesColorless crystals.Soluble in water; insoluble in alcohol and acids. Noncom- bustible.
- UsesIntermediate in preparation of tungsten com- pounds, (e.g., phosphotungstate), reagent, fire- proofing fabrics and cellulose, alkaloid precipitant.
- DefinitionChEBI: An inorganic sodium salt having tungstate as the counterion. Combines with hydrogen peroxide for the oxidation of secondary amines to nitrones.
- Safety ProfilePoison by ingestion, intravenous, intramuscular, and subcutaneous routes. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of Na2O. See also TUNGSTEN COMPOUNDS.
TUNGSTEN Preparation Products And Raw materials
- MAGNESIUM TUNGSTATE ALUMINUM TUNGSTATE Calcium tungstate CADMIUM TUNGSTATE BARIUM TUNGSTATE LEAD MOLYBDATE copper(ii) tungstate hydrate BISMUTH TUNGSTATE Tungstic acid SODIUM TUNGSTATE Tungsten SODIUM PHOSPHOTUNGSTATE Sodium tungstate dihydrate AMMONIUM WOLFRAMATE PENTAHYDRATE SODIUM METATUNGSTATE Ammonium paratungstate
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