Butibufen

Suppliers

Names

[ CAS No. ]:
55837-18-8

[ Name ]:
Butibufen

[Synonym ]:
Butibufenum [INN-Latin]
Butilopan
2-(p-Isobutylphenyl)butyrate
2-(4-isobutylphenyl)-butyric acid
2-(4-Isobutylphenyl)butanoic acid
Butibufeno [INN-Spanish]
EINECS 259-849-2
2-(4-Isobutylphenyl)buttersaeure
Butibufen
Butibufene [INN-French]

Chemical & Physical Properties

[ Density]:
1.015g/cm3

[ Boiling Point ]:
335.1ºC at 760mmHg

[ Melting Point ]:
51-53°

[ Molecular Formula ]:
C14H20O2

[ Molecular Weight ]:
220.30700

[ Flash Point ]:
232.1ºC

[ Exact Mass ]:
220.14600

[ PSA ]:
37.30000

[ LogP ]:
3.46330

[ Index of Refraction ]:
1.515

[ Storage condition ]:
2-8°C

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
ET5030000
CHEMICAL NAME :
Butyric acid, 2-(4-isobutylphenyl)-
CAS REGISTRY NUMBER :
55837-18-8
LAST UPDATED :
199612
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C14-H20-O2
MOLECULAR WEIGHT :
220.34
WISWESSER LINE NOTATION :
QVY2&R D1Y1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1600 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 227,130,1977
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
810 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique. (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France) V.9- 1974- Volume(issue)/page/year: 13,77,1978

Synthetic Route

Precursor & DownStream

Precursor

  • Sulfuric acid
  • 2-(4-isobutylphenyl)butanenitrile

DownStream

  • alpha-ethyl-4-(2-methylpropyl)benzeneacetyl chloride

Related Compounds

  • Butibufen-d5
  • (S)-Butibufen