1-Phenyl-2,3-dimethyl-4-n-butyl-5-pyrazolon

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Names

[ CAS No. ]:
101496-03-1

[ Name ]:
1-Phenyl-2,3-dimethyl-4-n-butyl-5-pyrazolon

[Synonym ]:
4-butyl-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one
4-Butylantipyrine
1-Phenyl-2,3-dimethyl-4-n-butyl-5-pyrazolon
4-butyl-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one
ANTIPYRINE,4-BUTYL

Chemical & Physical Properties

[ Density]:
1.056g/cm3

[ Boiling Point ]:
340.6ºC at 760mmHg

[ Molecular Formula ]:
C15H20N2O

[ Molecular Weight ]:
244.33200

[ Flash Point ]:
132.7ºC

[ Exact Mass ]:
244.15800

[ PSA ]:
26.93000

[ LogP ]:
2.82700

[ Vapour Pressure ]:
8.5E-05mmHg at 25°C

[ Index of Refraction ]:
1.544

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
CD2560000
CHEMICAL NAME :
Antipyrine, 4-butyl-
CAS REGISTRY NUMBER :
101496-03-1
BEILSTEIN REFERENCE NO. :
0205142
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C15-H20-N2-O
MOLECULAR WEIGHT :
244.37
WISWESSER LINE NOTATION :
T5NNV DUTJ A1 BR& D4 E1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIYZAM Nippon Yakubutsugaku Zasshi. Japanese Journal of Pharmacology. (Kyoto, Japan) V.1-39, 1926-43. For publisher information, see NYKZAU. Volume(issue)/page/year: 23,211,1937

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one
  • Butyraldehyde
  • Dimethyl sulfate
  • methyl iodide

DownStream

Related Compounds

  • 4-butan-2-yl-1,5-dimethyl-2-phenylpyrazol-3-one
  • 4-Methylamino antipyrine
  • N-[[(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-propan-2-ylamino]methyl]pyridine-3-carboxamide
  • 1-phenyl-2,3-dimethyl-4-(NN-dimethylaminomethyl)-pyrazol-5-one
  • BENZAPYRIN
  • Amizole