1H-Pyrazole-3-carbaldehyde

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Names

[ CAS No. ]:
3920-50-1

[ Name ]:
1H-Pyrazole-3-carbaldehyde

[Synonym ]:
3-Formylpyrazole
T5MNJ CVH
1H-Pyrazole-5-carbaldehyde
3-Pyrazolecarboxaldehyde
MFCD06657574
1H-Pyrazole-3(5)-carboxaldehyde
1H-Pyrazole-5-carboxaldehyde
1H-Pyrazole-3-carbaldehyde

Chemical & Physical Properties

[ Density]:
1.323

[ Boiling Point ]:
300.0±13.0 °C at 760 mmHg

[ Melting Point ]:
149.0 to 153.0 °C

[ Molecular Formula ]:
C4H4N2O

[ Molecular Weight ]:
96.087

[ Flash Point ]:
139.7±26.3 °C

[ Exact Mass ]:
96.032364

[ PSA ]:
45.75000

[ LogP ]:
-0.46

[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C

[ Index of Refraction ]:
1.620

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xi,Xn

[ Risk Phrases ]:
R22-37/38-41

[ Safety Phrases ]:
S26-36/39

[ WGK Germany ]:
3.0

[ HS Code ]:
2933199090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3-(Dimethoxymethyl)-1H-pyrazole
  • diazomethane
  • Propynal

DownStream

  • 3-(Dimethoxymethyl)-1H-pyrazole
  • 1-Allyl-1H-pyrazole-3-carbaldehyde

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

  • 1H-PYRAZOLE-3-CARBALDEHYDE
  • 1H-Pyrazole-3-carbaldehyde
  • Benzyl-1H-pyrazole-3-carbaldehyde
  • 1-Allyl-1H-pyrazole-3-carbaldehyde
  • 5-ethyl-1H-pyrazole-3-carbaldehyde
  • 5-bromo-1H-pyrazole-3-carbaldehyde
  • N-cyclohexyl-2-(3-methyl-7-oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide
  • 2-(3-methyl-7-oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)-N-((tetrahydrofuran-2-yl)methyl)acetamide
  • 6-(2-(2,6-dimethylmorpholino)-2-oxoethyl)-3-methyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7(6H)-one
  • 3-ethyl-6-(2-(4-methylpiperidin-1-yl)-2-oxoethyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7(6H)-one
  • 6-(2-(4-benzylpiperidin-1-yl)-2-oxoethyl)-3-ethyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7(6H)-one
  • N-(1-cyano-1,2-dimethylpropyl)-2-{[3-cyano-6-methyl-4-(trifluoromethyl)pyridin-2-yl]sulfanyl}acetamide
  • N-benzyl-2-(3-ethyl-7-oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide
  • 2-(3-ethyl-7-oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)-N-(4-fluorobenzyl)acetamide
  • N-(2-chlorobenzyl)-2-(3-ethyl-7-oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide
  • 2-(3-ethyl-7-oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)-N-((tetrahydrofuran-2-yl)methyl)acetamide
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