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

  • 3-(3,4-dihydro-1H-2-benzopyran-6-yl)prop-2-en-1-ol
  • 2-(1-Benzofuran-4-yl)-5-fluorobenzaldehyde
  • 1-Piperazinecarboxylic acid, 4-(6-cyano-2-pyrazinyl)-, 1,1-dimethylethyl ester
  • Tert-butyl 3-((5-cyanopyridin-3-yl)(methyl)amino)azetidine-1-carboxylate
  • 3-(3-Ethynylphenyl)-3-methylbutan-1-amine
  • 2-Isothiocyanato-4-methoxybutanoic acid
  • 2-Chloro-1-{5-[(dimethylamino)methyl]-1,3-thiazol-2-yl}ethan-1-ol
  • 5-(Adamantan-1-yl)pent-3-en-2-amine
  • 4-(4-Methoxy-2-nitrophenyl)butan-2-one
  • (1S)-3-amino-1-(1,2,3-thiadiazol-4-yl)propan-1-ol
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