1-methyl-3-trifluoromethyl-2-pyrazolin-5-one

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Names

[ CAS No. ]:
1481-02-3

[ Name ]:
1-methyl-3-trifluoromethyl-2-pyrazolin-5-one

[Synonym ]:
1-methyl-3-trifluoromethyl-4H-pyrazol-5-one
MFCD00051654
1-METHYL-3-TRIFLUOROMETHYL-2-PYRAZOLIN-5-ONE
2-methyl-5-trifluoromethyl-2,4-dihydro-pyrazol-3-one

Chemical & Physical Properties

[ Density]:
1.5 g/cm3

[ Boiling Point ]:
101.6ºC at 760 mmHg

[ Melting Point ]:
178 °C

[ Molecular Formula ]:
C5H5F3N2O

[ Molecular Weight ]:
166.10100

[ Flash Point ]:
15.3ºC

[ Exact Mass ]:
166.03500

[ PSA ]:
32.67000

[ LogP ]:
0.14030

[ Vapour Pressure ]:
0.029mmHg at 25°C

[ Index of Refraction ]:
1.53

Safety Information

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
25

[ Safety Phrases ]:
S22-S24/25

[ HS Code ]:
2933199090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Ethyl trifluoroacetoacetate
  • monomethylhydrazine

DownStream

  • BUTTPARK 99\18-37
  • 5-chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carboxaldehyde
  • 5-Chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid

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%

Related Compounds

  • 1-phenyl-3-(trifluoromethyl)-2-pyrazolin-5-one
  • 1-methyl-3-n-propyl-2-pyrazolin-5-one
  • 3H-Pyrazol-3-one,2,4-dihydro-2-methyl-5-phenyl-
  • 1-methyl-3-(trifluoromethyl)-2,4,5,6-tetrahydropyrazolo[3,4-b]pyridine
  • 1-methyl-3-phenyl-2-sulfanylidene-quinazolin-4-one
  • 1-Methyl-3-phenyl-1H-pyrazol-5-ol
  • (1RS,2SR)-2-{[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanamido]methyl}cyclopropane-1-carboxylic acid
  • 1-benzyl-4-{2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]acetamido}piperidine-4-carboxylic acid
  • (((9H-Fluoren-9-yl)methoxy)carbonyl)-D-valyl-D-valine
  • 1-{3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1,2-oxazole-4-carbonyl}-3-hydroxyazetidine-3-carboxylic acid
  • N-{4-[(tert-butylimino)(chloro)oxo-lambda6-sulfanyl]phenyl}acetamide
  • {[1-(2,2-difluoroethyl)-5-ethyl-1H-1,2,3-triazol-4-yl]methyl}(methyl)amine
  • 2-[(5-Ethylpyridin-3-yl)sulfonyl]acetic acid
  • 1-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoyl]-3-hydroxyazetidine-3-carboxylic acid
  • 4-Methoxy-6-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine
  • 2-(2,2-Diethylcyclopentyl)acetic acid
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