Agent Name

Cetylpyridinium bromide

CAS Number

140-72-7

Formula

C21-H38-N.Br

Major Category

Nitrogen Compounds

Synonyms

1-Cetylpyridinium bromide; 1-Hexadecylpyridinium bromide; Acetoquat CPB; Bromocet; Cetapharm; Cetasol; Cetazol; Cetazolin; Cetyl pyridinium bromide; Cetylpyridine bromide; Fixanol C; Hexadecylpyridine bromide; Hexadecylpyridinium bromide; Hexadecylpyridiniumbromide; Morpan CBP; N-Cetylpyridinium bromide; N-Hexadecylpyridinium bromide; Nitrogenol; Seprisan; Sterogenal; Sterogenol; TsPB; Pyridinium, 1-hexadecyl-, bromide; [ChemIDplus]

Category

Quaternary Amines

Description

Cream-colored solid; [HSDB] White powder; [Acros Organics MSDS]

Sources/Uses

Used in mouthwashes, lozenges, and as a topical disinfectant; [ToxPlanet: TERIS] Used as a germicide, deodorant, laboratory reagent, surfactant, and topical antiseptic/disinfectant; [HSDB]

Comments

Topical use during pregnancy unlikely to cause teratogenic effects; [ToxPlanet: TERIS] Causes changes in leukocyte count, dermatitis, and effects on true cholinesterase in 21-day intermittent dermal studies of rats; [RTECS] A severe irritant that may cause eye injury; Harmful by ingestion; Highly toxic by inhalation; Chloride salt: Not a skin sensitizer in guinea pigs; LC50 (rat) = 90 mg/m3/4hr; [Acros Organics MSDS] See "Cetylpyridinium chloride."

Restricted

All active germicide/disinfectant/mildewcide pesticide product registrations cancelled in 1989 in the US; [NPIRS]

Links to Other NLM Databases
Health Studies

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Toxicity Information

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Chemical Information

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Processes

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