Agent Name

Butamben

Alternative Name

n-Butyl p-aminobenzoate

CAS Number

94-25-7

Formula

C11-H15-N-O2

Major Category

Other Uses

Synonyms

n-Butyl p-aminobenzoate; Butyl PABA; 4-(Butoxycarbonyl)aniline; 4-Aminobenzoic acid butyl ester; Benzoic acid, 4-amino-, butyl ester; Benzoic acid, p-amino-, butyl ester; Butesin; Butesine; Butoform; Butyl 4-aminobenzoate; Butyl keloform; Butylcaine; Butylester kyseliny p-aminobenzoove [Czech]; Planoform; Scuroform; Scuroforme; Butyl p-aminobenzoate; p-Aminobenzoic acid butyl ester; [ChemIDplus]

Category

Sunscreens

Description

White odorless solid; Nearly insoluble in water; [Hawley] Yellow solid; Insoluble in water; [CAMEO] Faintly beige fine crystals; [MSDSonline]

Sources/Uses

Used as a local anesthetic and in burn treatment ointments and suntan preparations; [Hawley] Used essentially 100% as a local anesthetic; [HSDB]

Comments

May cause tissue necrosis after injection, possible due to precipitation of crystals; [HSDB] May cause methemoglobinemia and skin sensitization; [CAMEO] An irritant; May cause skin sensitization; [MSDSonline]

Exposure Assessment
Vapor Pressure

0.000299 mm Hg

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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Other Information

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