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ChemicalBook--->CAS DataBase List--->19735-89-8

19735-89-8

19735-89-8 Structure

19735-89-8 Structure
IdentificationBack Directory
[Name]

1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
[CAS]

19735-89-8
[Synonyms]

1,2-Dihydro-5-methyl
Edaravone Impurity 16
Edaravone Related Compound
Edaravone Related Compound 1
1-PHENYL-3-METHYL-5-PYRAZOLONE
5-Methyl-2-phenyl-1H-pyrazol-3(2H)-one
1-Phenyl-3-methyl-1H-pyrazole-5(2H)-one
2-Phenyl-5-methyl-1H-pyrazole-3(2H)-one
5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one
1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-on
5-Methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one
1,2-dihydro-5-methyl-2-phenyl-3h-pyrazol-3-one
3H-Pyrazol-3-one,1,2-dihydro-5-methyl-2-phenyl-
5-Methyl-2-phenyl-1,2-dihydro-3H-pyrazole-3-one
2-Phenyl-5-methyl-1,2-dihydro-3H-pyrazole-3-one
2-(1-cyclohexa-2,4-dienyl)-5-methyl-3-pyrazol-2-iumone
19735-89-8 1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
[EINECS(EC#)]

243-261-8
[Molecular Formula]

C10H10N2O
[MDL Number]

MFCD00127930
[MOL File]

19735-89-8.mol
[Molecular Weight]

174.2
Chemical PropertiesBack Directory
[Melting point ]

128°C
[Boiling point ]

305.17°C (rough estimate)
[density ]

1.2600
[refractive index ]

1.6370 (estimate)
[pka]

0.10±0.40(Predicted)
[CAS DataBase Reference]

19735-89-8
[EPA Substance Registry System]

3H-Pyrazol-3-one, 1,2-dihydro-5-methyl-2-phenyl- (19735-89-8)
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P305+P351+P338
Raw materials And Preparation ProductsBack Directory
[Preparation Products]

Solvent Yellow 21-->Acid Red 226-->Acid violet 90-->Acid Orange 89-->Acid Yellow 42-->Solvent Yellow 18-->2,4-Dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-one chromium complex-->Solvent Red 8-->Solvent Yellow 16-->4-[(1,5-dihydro-3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-ylidene)methyl]-1,2-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one-->3-METHYL-1-PHENYL-1H-PYRAZOLE-4-CARBOXALDEHYDE, 97%-->5-CHLORO-3-METHYL-1-PHENYLPYRAZOLE-->BISPYRAZOLONE-->ANTIPYRINE-D3
Hazard InformationBack Directory
[Definition]

ChEBI: Demethylated antipyrine is a ring assembly and a member of pyrazoles.
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