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Agent Name Sodium nitrate
CAS Number 7631-99-4
Formula H-N-O3.Na
Major Category Nitrogen Compounds
Synonyms Chile saltpeter; Cubic niter; Niter; Niter (VAN); Nitrate de sodium [French]; Nitrate of soda; Nitratine; Nitric acid monosodium salt; Nitric acid, sodium salt; Saltpeter (Chile); Saltpeter (Chile) (VAN); Soda niter; Sodium nitrate; Sodium nitrate(DOT); Sodium saltpeter; Sodium(I) nitrate (1:1); etabisulfite; [ChemIDplus] UN1498
Category Nitrates and Nitrites
Description White crystals soluble in water; [CAMEO] Colorless to white deliquescent crystals, granules, or powder; [CHEMINFO]
Sources/Uses Used in explosives, fertilizers, and many other products; [CAMEO] Used in photography (color bleach bath); [www.ci.tucson.az.us/arthazards/medium.html]
Comments Toxic by ingestion; [CAMEO] Negligible vapor at room temperature; A skin, eye, and respiratory tract irritant; A potential inducer of methemoglobinemia; [ICSC]
Exposure Assessment
Explanatory Notes mp = 584.2 deg F; Decomposes at 716 deg F; [CAMEO]
Flammability (NFPA) 0: will not burn
Adverse Effects
Methemoglobinemia Methemoglobinemia, Secondary
Links to Other NLM Databases
Health Studies Human Health Effects from Hazardous Substances Data Bank: SODIUM NITRATE  
Toxicity Information Search TOXNET
Chemical Information Search ChemIDplus
Related Information in Haz-Map
Processes Industrial Processes with risk of exposure:





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Last updated: January, 2009