Agent Name

Sodium tungstate dihydrate

CAS Number

10213-10-2

Formula

O4-W.2Na.2H2-O

Major Category

Metals

Synonyms

Sodium tungstate, dihydrate; Tungstic acid, sodium salt, dihydrate; [ChemIDplus] Sodium tungsten oxide dihydrate; [Alfa Aesar MSDS]

Category

Metals, Inorganic Compounds

Description

Colorless or white solid; Effloresces in dry air; [Merck Index] White odorless powder; Soluble in water; [Alfa Aesar MSDS]

Sources/Uses

Used to fireproof and waterproof fabrics, to make tungsten compounds, as a protective colloid, as a precipitant for alkaloids and proteins, to catalyze oxidation reactions, and as a corrosion inhibitor for steel; [Merck Index]

Comments

Causes somnolence and coma in intraperitoneal lethal-dose studies of mice and rats; [RTECS] A strong eye irritant; Harmful by ingestion; [Alfa Aesar MSDS] See "Sodium tungstate."

Exposure Assessment
TLV (ACGIH)

3 mg/m3, as W, respirable particulate matter

Links to Other NLM Databases
Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Processes

Industrial Processes with risk of exposure: