Haz-Map: Occupational Exposure to Hazardous Agents

Exposure Assessment
Agent Name	Thorium dioxide
CAS Number	1314-20-1
Formula	O2-Th
Major Category	Physical Agents
Synonyms	Thorianite; Thorium anhydride; Thorium oxide; Thorium oxide (ThO2); Thorium-232 dioxide; Thorotrast; Thortrast; Umbrathor; [ChemIDplus]
Category	Radioactive Compounds
Description	White powder; [CAMEO]
Sources/Uses	"Used in high-temperature ceramics, gas mantles, nuclear fuel, flame spraying, crucibles, non-silica optical glass, catalysis, filaments in incandescent lamps, cathodes in electron tubes and arc-melting electrodes." [CAMEO] Has been used as a radiopaque material in diagnostic radiology; [Merck Index]
Comments	See "Thorium."
Explanatory Notes	Insoluble in water; Soluble in hot H2SO4; mp = 3220 degrees C; [ATSDR ToxProfiles]
Links to Other NLM Databases
Health Studies	Human Health Effects from Hazardous Substances Data Bank: THORIUM DIOXIDE THORIUM, ELEMENTAL THORIUM COMPOUNDS IONIZING RADIATION
Toxicity Information	Search TOXNET
Chemical Information	Search ChemIDplus
Biomedical References	Search PubMed
Related Information in Haz-Map
Other Information	No other related information on this agent was found.