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Substance Name: Butamben [USAN:USP]
RN: 94-25-7
UNII: EFW857872Q
InChIKey: IUWVALYLNVXWKX-UHFFFAOYSA-N

Classification Codes

  • Anesthetic (Topical)
  • Anesthetics
  • Anesthetics, Local
  • Central Nervous System Agents
  • Central Nervous System Depressants
  • Drug / Therapeutic Agent
  • Peripheral Nervous System Agents
  • Sensory System Agents

Molecular Formula

  • C11-H15-N-O2

Molecular Weight

  • 193.2445
 
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Names and Synonyms

Name of Substance

  • Benzoic acid, 4-amino-, butyl ester
  • Butamben
  • Butamben [USAN:USP]
  • Butyl 4-aminobenzoate
  • Butyl p-aminobenzoate
  • Butyl PABA

Synonyms

  • 4-(Butoxycarbonyl)aniline
  • 4-14-00-01130 (Beilstein Handbook Reference)
  • 4-Aminobenzoic acid butyl ester
  • AI3-02284
  • Benzoic acid, 4-amino-, butyl ester
  • Benzoic acid, p-amino-, butyl ester
  • BRN 1211465
  • Butamben
  • Butesin
  • Butesine
  • Butoform
  • Butyl 4-aminobenzoate
  • Butyl keloform
  • Butyl p-aminobenzoate
  • Butylcaine
  • Butylester kyseliny p-aminobenzoove
  • Butylester kyseliny p-aminobenzoove [Czech]
  • CCRIS 5891
  • EINECS 202-317-1
  • HSDB 4245
  • n-Butyl p-aminobenzoate
  • NSC 128464
  • p-Aminobenzoic acid butyl ester
  • Planoform
  • Scuroform
  • Scuroforme
  • UNII-EFW857872Q

Systematic Names

  • Benzoic acid, 4-amino-, butyl ester
  • Benzoic acid, p-amino-, butyl ester
  • Butyl 4-aminobenzoate
  • Butyl p-aminobenzoate

Registry Numbers

CAS Registry Number

  • 94-25-7

FDA UNII

  • EFW857872Q

System Generated Number

  • 0000094257

Structure Descriptors

InChI

InChI=1S/C11H15NO2/c1-2-3-8-14-11(13)9-4-6-10(12)7-5-9/h4-7H,2-3,8,12H2,1H3

InChIKey

IUWVALYLNVXWKX-UHFFFAOYSA-N

Smiles

CCCCOC(=O)c1ccc(N)cc1

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 67mg/kg (67mg/kg)   Journal of Medicinal Chemistry. Vol. 17, Pg. 900, 1974.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 58 deg C   EXP
pKa Dissociation Constant 2.472 (none) 25 EXP
log P (octanol-water) 2.87 (none)   EXP
Water Solubility 335 mg/L 25 EXP
Vapor Pressure 2.99E-04 mm Hg 25 EST
Henry's Law Constant 2.87E-08 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 3.94E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.