4,5-Dihydro-1H-pyrazole

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Names

[ CAS No. ]:
109-98-8

[ Name ]:
4,5-Dihydro-1H-pyrazole

[Synonym ]:
4,5-dihydro-1H-pyrazole
2-PYRAZOLINE
EINECS 203-725-2
MFCD00009248

Chemical & Physical Properties

[ Density]:
1.02 g/cm3

[ Boiling Point ]:
144ºC

[ Molecular Formula ]:
C3H6N2

[ Molecular Weight ]:
70.09310

[ Exact Mass ]:
70.05310

[ PSA ]:
24.39000

MSDS

Click to get detail MSDS

Safety Information

[ Risk Phrases ]:
10

[ Safety Phrases ]:
16

[ RIDADR ]:
UN 1993

[ HS Code ]:
2933199090

Synthetic Route

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Precursor & DownStream

Precursor

  • Pyrazole
  • acrolein
  • diazomethane
  • ethene

DownStream

  • Pyrazole
  • benzyl 3,4-dihydropyrazole-2-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%

Related Compounds

  • 4,5-Dihydro-1H-pyrazole
  • 3-ethyl-4,5-dihydro-1H-pyrazole
  • 1-PHENYL-4,5-DIHYDRO-1H-PYRAZOLE
  • 5-phenyl-4,5-dihydro-1H-pyrazole
  • 5-methyl-4,5-dihydro-1H-pyrazole
  • 1-methyl-4,5-dihydro-1H-pyrazole