Agent Name

Sodium benzoate

CAS Number

532-32-1

Formula

C7-H5-O2.Na

Major Category

Metals

Synonyms

Benzoic acid, sodium salt; Antimol; Benzoan sodny [Czech]; Benzoate of soda; Benzoate sodium; Benzoesaeure (na-salz) [German]; Natrium benzoicum; Sobenate; [ChemIDplus]

Category

Organic Acids, Metal Salts

Description

White odorless solid; [Merck Index] Hygroscopic; [ICSC] White powder; [MSDSonline]

Sources/Uses

Used as an intermediate and preservative (foods, pharmaceuticals, lotions, mouthwashes, and water-based paint); [HSDB] Used as flavoring agent, adjuvant in foods, clinical reagent (bilirubin assay), and diagnostic aid (hepatic function); [Merck Index] Used as corrosion inhibitor in engine cooling systems; [CHEMINFO]

Comments

A mild eye irritant; [ICSC] Rats fed sodium benzoate at 8% of their diet for 90 days showed less weight gain and other physiological changes; [HSDB] May cause temporary hives; [CHEMINFO] Can cause non-immunological contact urticaria; [Kanerva, p. 219] Rapidly absorbed and excreted in the urine as hippuric acid; [Reference #1] May cause irritation; [MSDSonline]

Reference Link

INCHEM CICAD: Benzoic Acid and Sodium Benzoate - 2000

Exposure Assessment
Vapor Pressure

3.67E-9 mm Hg

Links to Other NLM Databases
Health Studies

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Toxicity Information

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Chemical Information

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Biomedical References

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: