CAS 19735-89-8|5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one

Introduction：Basic information about CAS 19735-89-8|5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Customs
5. Synonyms

Common Name	5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one
CAS Number	19735-89-8	Molecular Weight	174.199
Density	1.2±0.1 g/cm3	Boiling Point	276.4±23.0 °C at 760 mmHg
Molecular Formula	C₁₀H₁₀N₂O	Melting Point	/
MSDS	/	Flash Point	121.0±22.6 °C

Names

Name	5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.2±0.1 g/cm3
Boiling Point	276.4±23.0 °C at 760 mmHg
Molecular Formula	C₁₀H₁₀N₂O
Molecular Weight	174.199
Flash Point	121.0±22.6 °C
Exact Mass	174.079315
PSA	37.79000
LogP	1.72
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.587
InChIKey	KZQYIMCESJLPQH-UHFFFAOYSA-N
SMILES	Cc1cc(=O)n(-c2ccccc2)[nH]1

Safety Information

HS Code	2933199090

Customs

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%

Synonyms

1-Phenyl-3-methylpyrazol-5-one

3-methyl-1-phenyl-5-oxo-2,5-dihydro-1H-pyrazole

5-Methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one

3-methyl-1-phenyl-3-pyrazolin-5-one

3-Methyl-1-phenyl-5-pyrazolone

3-methyl-1-phenyl-pyrazol-5-one

3H-Pyrazol-3-one, 1,2-dihydro-5-methyl-2-phenyl-

5-Methyl-2-phenyl-1,2-dihydro-3H-pyrazole-3-one

1-Phenyl-3-methyl-1H-pyrazole-5(2H)-one

2-phenyl-5-methyl-pyrazol-3-one

1,2-dihydro-5-methyl-2-phenyl-3h-pyrazol-3-one

1,2-Dihydro-5-methyl

1-PHENYL-3-METHYL-5-PYRAZOLONE

2-Phenyl-5-methyl-1,2-dihydro-3H-pyrazole-3-one

2-Phenyl-5-methyl-1H-pyrazole-3(2H)-one

EINECS 243-261-8

Edaravone Impurity 12

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