Product Name

  • Name

    Butibufen

  • EINECS
  • CAS No. 55837-18-8
  • Article Data8
  • CAS DataBase
  • Density 1.015g/cm3
  • Solubility
  • Melting Point 51-53°
  • Formula C14H20 O2
  • Boiling Point 335.1°Cat760mmHg
  • Molecular Weight 220.312
  • Flash Point 232.1°C
  • Transport Information
  • Appearance
  • Safety Moderately toxic by ingestion. Used as an anti-inflammatory agent. When heated to decomposition it emits acrid smoke and fumes.
  • Risk Codes
  • Molecular Structure Molecular Structure of 55837-18-8 (Butibufen)
  • Hazard Symbols
  • Synonyms 2-(4-Isobutylphenyl)butyricacid; Butibufen; DF 1903Y; a-Ethyl-4-(2-methylpropyl)benzeneacetic acid
  • PSA 37.30000
  • LogP 3.46330

2-(4-Isobutylphenyl)butyric acid Chemical Properties

Molecular Structure of 2-(4-Isobutylphenyl)butyric acid  (CAS NO.55837-18-8):

IUPAC Name: 2-[4-(2-methylpropyl)phenyl]butanoic acid
Empirical Formula: C14H20O
Molecular Weight: 220.3074 
Synonyms of 2-(4-Isobutylphenyl)butyric acid (CAS NO.55837-18-8):
 Butibufen;Benzeneacetic acid, -alpha--ethyl-4-(2-methylpropyl)- (9CI);Butilopan ; α-Ethyl-4-(2-methylpropy1)benzeneacetic acid ; 2-(4-Isobutylphenyl)butanoic acid ; 2-(p-Isobutylphenyl)butyric acid ; Bitubufen ; Butiropan
Index of Refraction: 1.515
Surface Tension: 37.7 dyne/cm
Density: 1.015 g/cm3 
Flash Point: 232.1 °C
Enthalpy of Vaporization: 61.02 kJ/mol 
Boiling Point: 335.1 °C at 760 mmHg
Vapour Pressure: 4.83E-05 mmHg at 25°C

2-(4-Isobutylphenyl)butyric acid Toxicity Data With Reference

1.    

orl-rat LD50:1600 mg/kg

    DRFUD4    Drugs of the Future. 2 (1977),156.
2.    

orl-mus LD50:810 mg/kg

    EJMCA5    European Journal of Medicinal Chemistry. Chimie Therapeutique. 13 (1978),77.

2-(4-Isobutylphenyl)butyric acid Safety Profile

Moderately toxic by ingestion. Used as an anti-inflammatory agent. When heated to decomposition it emits acrid smoke and fumes.

2-(4-Isobutylphenyl)butyric acid Specification

 2-(4-Isobutylphenyl)butyric acid (CAS NO.55837-18-8) is Belonging to non-steroidal anti-inflammatory drugs; the central nervous system drugs, etc.Was crystalline at room temperature, the melting point of 51 ~ 53 ℃, can be used for anti-inflammatory analgesic, the production method of 4-(2-methyl-propyl) benzene acetonitrile-ethyl-oriented first, get compound (I), then hydrolysis to gain.

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