Buy Sodium Tungstate CAS 13472-45-2, the inorganic compound,an intermediate in the conversion of tungsten ores to the metal. from TNJ Chemical, China leading Sodium Tungstate suppliers, factory & manufacturers. If you want to buy Sodium Tungstate,please mail to sales@tnjchem.com
Sodium Tungstate CAS 13472-45-2 is colorless crystals.Soluble in water; insoluble in alcohol and acids. Melting point 3410 °C(lit.) Boiling point 5660 °C.Noncom- bustible.
Specification
| High-class | Refined | Crude | |
| WO3 | ≥69.0 | ≥69.0 | ≥68.0 |
| Mo | ≤0.02 | ≤0.02 | ≤0.04 |
| As | ≤0.001 | ≤0.002 | |
| Cu | ≤0.0002 | ||
| Fe | ≤0.001 | ≤0.002 | |
| SO4 | ≤0.02 | 0.01 | |
| Si | ≤0.004 | ≤0.04 | |
| Water insoluble impurities(%) | ≤0.005 | ≤0.01 | |
| PH | 8.5-9 | 8.5-9 | |
| Heavy metal (Pb) | ≤0.001 | ≤0.002 | |
| Cl | ≤0.03 |
Application
1.Intermediate in preparation of tungsten com- pounds, (e.g., phosphotungstate)
2.Used as reagent, fire- proofing fabrics and cellulose, alkaloid precipitant.
3.In organic chemistry, sodium tungstate is used as catalyst for epoxidation of alkenes and oxidation of alcohols into aldehydes or ketones.
4.For the pharmaceutical industry
Packaging
25kg/bag
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