Sodium nitrate
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] See "NITRATES and NITRITES."
Reference Link #1
Biomedical References
Exposure Assessment
Explanatory Notes
mp = 584.2 deg F; Decomposes at 716 deg F; [CAMEO]
NFPA
will not burn
Adverse Effects
Methemoglobinemia
MetHgb is secondary toxic effect
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: