Agent Name

Potassium nitrite

CAS Number

7758-09-0

Formula

N-O2.K

Major Category

Nitrogen Compounds

Synonyms

Nitrous acid, potassium salt; Potassium nitrite; UN1488; [ChemIDplus]

Category

Nitrates and Nitrites

Description

White to slightly yellow granules; [CHEMINFO MSDS]

Sources/Uses

Used as a food preservative, analytical reagent, and medicine; Used to synthesize organic chemicals; [HSDB]

Comments

Strong irritant of the skin and eyes; As an oxidizer, it enhances burning of combustible materials; [CHEMINFO MSDS] Has caused cases of methemoglobinemia when well water was contaminated by fertilizer; [HSDB]

Exposure Assessment
Lethal Concentration

LC50 (mice) = 85,000 mg/m3/2H

Adverse Effects
Methemoglobinemia

Methemoglobinemia, Secondary

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Other Information

No other related information on this agent was found.