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China
Product Name: 1-Phenyl-2,3-dimethyl-4-n-butyl-5-pyrazolon
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101496-03-1

101496-03-1 structure

101496-03-1 structure

Name: 1-Phenyl-2,3-dimethyl-4-n-butyl-5-pyrazolon
Chemical Name: 4-butyl-1,5-dimethyl-2-phenylpyrazol-3-one
CAS Number: 101496-03-1
Molecular Formula: C₁₅H₂₀N₂O
Molecular Weight: 244.33200
Create Date: 2017-09-05 02:09:37
Modify Date: 2025-09-05 16:04:20

Name	4-butyl-1,5-dimethyl-2-phenylpyrazol-3-one
Synonyms	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

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

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

19735-89-8 structure

19735-89-8

123-72-8 structure

123-72-8

~%

101496-03-1 structure

101496-03-1

Literature: Riedel-de Haen Patent: DE962254 , 1954 ;

77-78-1 structure

77-78-1

~%

101496-03-1 structure

101496-03-1

Literature: Sawa Yakugaku Zasshi, 1937 , vol. 57, p. 953,958; dtsch. Ref. S. 269 Chem.Abstr., 1938 , p. 2533

74-88-4 structure

74-88-4

~%

101496-03-1 structure

101496-03-1

Literature: Giacalone Gazzetta Chimica Italiana, 1937 , vol. 67, p. 464,467

Precursor 4
19735-89-8 123-72-8 77-78-1 74-88-4
DownStream 0

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