Sodium Nitrite (all grades)

CAS#: 7632-00-0

Synonyms: nitrous acid, sodium salt; sodium nitrite solution

Uses: Diazotization (by reaction with hydrochloric acid to form nitrous acid); rubber accelerators; color fixative and preservative in cured meats, meat products, fish; pharmaceuticals; photographic and analytical reagent; dye manufacture; antidote for cyanide poisoning.

Hazard: Ingestion (or inhalation of excessive amounts of dust) causes rapid drop in blood pressure, persistent and throbbing headache, vertigo, palpitations, and visual disturbances; skin becomes flushed and sweaty, later cold and cyanotic; other symptoms include nausea, vomiting, diarrhea (sometimes), fainting, methemoglobinemia.  Contact with eyes causes irritation.  Strong Oxidizing Agent