3-Methyl-1-(3,4-dimethylphenyl)-2-pyrazolin-5-one

Modify Date: 2024-01-03 18:32:04

3-Methyl-1-(3,4-dimethylphenyl)-2-pyrazolin-5-one Structure
3-Methyl-1-(3,4-dimethylphenyl)-2-pyrazolin-5-one structure
Common Name 3-Methyl-1-(3,4-dimethylphenyl)-2-pyrazolin-5-one
CAS Number 18048-64-1 Molecular Weight 202.252
Density 1.1±0.1 g/cm3 Boiling Point 338.5±52.0 °C at 760 mmHg
Molecular Formula C12H14N2O Melting Point 116-119℃
MSDS N/A Flash Point 158.5±30.7 °C

 Names

Name 2-(3,4-Dimethylphenyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 338.5±52.0 °C at 760 mmHg
Melting Point 116-119℃
Molecular Formula C12H14N2O
Molecular Weight 202.252
Flash Point 158.5±30.7 °C
Exact Mass 202.110611
PSA 32.67000
LogP 2.64
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.571

 Synthetic Route

~64%

3-Methyl-1-(3,4-dimethylphenyl)-2-pyrazolin-5-one Structure

3-Methyl-1-(3,4...

CAS#:18048-64-1

Literature: SmithKline Beecham Corporation Patent: US6720345 B1, 2004 ; Location in patent: Page column 10 ;

 Synonyms

2-(3,4-Dimethylphenyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one
3-methyl-1-(3,4-dimethylphenyl)-2-pyrazolin-5-one
2-(3,4-dimethylphenyl)-5-methyl-4H-pyrazol-3-one
3H-Pyrazol-3-one, 2-(3,4-dimethylphenyl)-1,2-dihydro-5-methyl-
3H-Pyrazol-3-one, 2-(3,4-dimethylphenyl)-2,4-dihydro-5-methyl-
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