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

Modify Date: 2025-09-05 16:04:20

1-Phenyl-2,3-dimethyl-4-n-butyl-5-pyrazolon structure	Common Name	1-Phenyl-2,3-dimethyl-4-n-butyl-5-pyrazolon
	CAS Number	101496-03-1	Molecular Weight	244.33200
	Density	1.056g/cm3	Boiling Point	340.6ºC at 760mmHg
	Molecular Formula	C₁₅H₂₀N₂O	Melting Point	N/A
	MSDS	N/A	Flash Point	132.7ºC

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

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

5-Methyl-2-phen...

CAS#:19735-89-8

Butyraldehyde

CAS#:123-72-8

1-Phenyl-2,3-di...

CAS#:101496-03-1

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

Dimethyl sulfate

CAS#:77-78-1

1-Phenyl-2,3-di...

CAS#:101496-03-1

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

methyl iodide

CAS#:74-88-4

1-Phenyl-2,3-di...

CAS#:101496-03-1

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

Precursor 4
CAS#:19735-89-8 5-Methyl-2-phen... CAS#:123-72-8 Butyraldehyde CAS#:77-78-1 Dimethyl sulfate CAS#:74-88-4 methyl iodide
DownStream 0

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

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

Names

Chemical & Physical Properties

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Synthetic Route

Precursor & DownStream

Synonyms

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.