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5677-84-9

5677-84-9 structure

5677-84-9 structure

Name: 1,4,5-trimethyl-2-phenylpyrazol-3-one
Chemical Name: 1,4,5-trimethyl-2-phenylpyrazol-3-one
CAS Number: 5677-84-9
Molecular Formula: C₁₂H₁₄N₂O
Molecular Weight: 202.25200
Create Date: 2016-07-04 19:13:21
Modify Date: 2025-08-26 13:02:36

Name	1,4,5-trimethyl-2-phenylpyrazol-3-one
Synonyms	1-Phenyl-2,3,4-trimethyl-3-pyrazolin-5-one 3-Pyrazolin-5-one,1-phenyl-2,3,4-trimethyl 1,4,5-trimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one 1-Phenyl-2,3,4-trimethylpyrazolin-5-on 3H-Pyrazol-3-one,2,4-dihydro-1,4,5-trimethyl-2-phenyl 4-Methylantipyrine 4-Methylantipyrin 2,3,4-trimethyl-1-phenyl-3-pyrazolin-5-one

Density	1.118g/cm3
Boiling Point	292.5ºC at 760 mmHg
Molecular Formula	C₁₂H₁₄N₂O
Molecular Weight	202.25200
Flash Point	117.3ºC
Exact Mass	202.11100
PSA	26.93000
LogP	1.79280
Index of Refraction	1.569

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ9810000

CHEMICAL NAME :: 3-Pyrazolin-5-one, 1-phenyl-2,3,4-trimethyl-

CAS REGISTRY NUMBER :: 5677-84-9

BEILSTEIN REFERENCE NO. :: 0171007

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C12-H14-N2-O

MOLECULAR WEIGHT :: 202.28

WISWESSER LINE NOTATION :: T5NNV DUTJ A1 BR& D1 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

HS Code	2933199090

HS Code	2933199090
Summary	2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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