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sodium tungstate dihydrate density, CAS# 10213-10-2 is a chemical compound that is produced by treating excess tungstic acid with sodium hydroxide solution. The filtrate is then filtered to obtain pure sodium tungstate, which is a white colorless crystal.
Generally, sodium tungstate dihydrate is used in the preparation of aqueous sols of tungsten oxide dihydrate; for fireproofing and waterproofing fabrics; preparing complex compounds; for alkaloids precipitation; as an inhibitor of acid phosphatases; in the oxidation of alcohols to aldehydes or ketones. In addition, it is also used as a solvent in organic chemistry.
Tungsten is a heavy metal that is found in steels, superalloys and heavy metal alloys, and is used to make medical devices such as joint replacements and intravascular devices. It is also used in jewelry.
It has a melting point comparable to that of uranium and gold and is 1.7 times the density of lead. It can be found in minerals such as scheelite (CaWO4) and wolframite (Fe,Mn,WO4).
This substance may be listed as a hazardous waste by the United States Environmental Protection Agency if it is a hydrate, in accordance with TSCA inventory rules. However, if it is a dihydrate, it does not fall under the US EPA’s hazardous waste regulations.
Use with appropriate engineering controls to minimize dust generation and accumulation. Instruct workers to avoid skin, eye and respiratory contact with this material.
Discard this material in waste containers approved for chemical disposal by the corresponding local and state agencies.