5-tert-Butyl-2H-pyrazole-3-carboxylic acid ethyl ester

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Names

[ CAS No. ]:
83405-70-3

[ Name ]:
5-tert-Butyl-2H-pyrazole-3-carboxylic acid ethyl ester

[Synonym ]:
3-t-butyl-5-ethoxycarbonyl-1H-pyrazole
ethyl 3-(tert-butyl)-1H-pyrazole-5-carboxylate
BUTTPARK 366-08
ETHYL 3-TERT-BUTYLPYRAZOLE-5-CARBOXYLATE
ethyl 3-t-butyl-pyrazol-5-carboxylate
ETHYL 3-T-BUTYL-5-PYRAZOLECARBOXYLATE
5-tert-Butyl-2H-pyrazole-3-carboxylic acid ethyl
ETHYL 5-TERT-BUTYL-2H-PYRAZOLE-3-CARBOXYLATE
ethyl 3-t-butyl-1H-pyrazole-5-carboxylate

Chemical & Physical Properties

[ Density]:
1.077 g/cm3

[ Boiling Point ]:
322.3ºC at 760 mmHg

[ Melting Point ]:
141-144ºC

[ Molecular Formula ]:
C10H16N2O2

[ Molecular Weight ]:
196.24600

[ Exact Mass ]:
196.12100

[ PSA ]:
54.98000

[ LogP ]:
1.88390

[ Index of Refraction ]:
1.5

MSDS

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Safety Information

[ Hazard Codes ]:
Xi

[ HS Code ]:
2933199090

Synthetic Route

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Precursor & DownStream

Precursor

  • Pinacolone
  • Diethyloxalate
  • 5,5-Dimethyl-2,4-dioxohexanoic Acid Ethyl Ester
  • EDA
  • 3,3-Dimethyl-1-Butyne

DownStream

  • Ethyl 3-(Tert-Butyl)-1-Methyl-1h-Pyrazole-5-Carboxylate

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%