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
  • Methyl 4-((9-cyclopropyl-4-oxo-2-(trifluoromethyl)-4,8,9,10-tetrahydrochromeno[8,7-e][1,3]oxazin-3-yl)oxy)benzoate
  • 3-(3,4-dimethoxyphenyl)-9-(1,1-dioxidotetrahydrothiophen-3-yl)-9,10-dihydrochromeno[8,7-e][1,3]oxazin-2(8H)-one
  • N-[4-(2,3-dihydro-1,4-benzodioxin-6-ylamino)-4-oxobutyl]-4,7-dimethoxy-1-methyl-1H-indole-2-carboxamide
  • N-{(5Z)-5-[(5-methoxy-1,2-dimethyl-1H-indol-3-yl)methylidene]-4-oxo-2-thioxo-1,3-thiazolidin-3-yl}acetamide
  • 4-methyl-N-(4-methyl-1,3-thiazol-2-yl)-2-(3,4,5-trimethoxyphenyl)-1,3-thiazole-5-carboxamide
  • 2-{[(4-methoxyphenoxy)acetyl]amino}-N-(3-pyridinylmethyl)benzamide
  • N~2~-{2-[(5-methyl-1,3-thiazol-2-yl)amino]-2-oxoethyl}-1H-indole-2-carboxamide
  • (3-(furan-2-yl)-5-(quinoxalin-6-yl)-4,5-dihydro-1H-pyrazol-1-yl)(thiophen-2-yl)methanone
  • (Z)-8-(4-methoxyphenethyl)-2-(pyridin-3-ylmethylene)-8,9-dihydro-2H-benzofuro[7,6-e][1,3]oxazin-3(7H)-one
  • 8-[(2E)-3-(dimethylamino)prop-2-enoyl]-7-hydroxy-6-methyl-2,3-dihydrocyclopenta[c]chromen-4(1H)-one
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