1,2-Dihydro-3H-pyrazol-3-one

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Names

[ CAS No. ]:
137-45-1

[ Name ]:
1,2-Dihydro-3H-pyrazol-3-one

[Synonym ]:
1H-pyrazol-3-ol
1H-Pyrazol-5-ol
3h-pyrazol-3-one, 1,2-dihydro-

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Boiling Point ]:
326.1±15.0 °C at 760 mmHg

[ Melting Point ]:
163 °C

[ Molecular Formula ]:
C3H4N2O

[ Molecular Weight ]:
84.077

[ Flash Point ]:
151.0±20.4 °C

[ Exact Mass ]:
84.032364

[ PSA ]:
48.65000

[ LogP ]:
0.25

[ Vapour Pressure ]:
0.0±0.7 mmHg at 25°C

[ Index of Refraction ]:
1.612

Safety Information

[ Hazard Codes ]:
Xi

Precursor & DownStream

Precursor

DownStream

  • Pyrazole

Related Compounds

  • 5-Amino-1,2-dihydro-3H-pyrazol-3-one
  • 5-Amino-1,2-dihydro-3H-pyrazol-3-one
  • 5-Amino-1,2-dihydro-3H-pyrazol-3-one
  • 5-Amino-1,2-dihydro-3H-pyrazol-3-one
  • 5-Amino-1,2-dihydro-3H-pyrazol-3-one
  • 1-Methyl-1,2-dihydro-3H-pyrazol-3-one
  • N-(2,4-difluorobenzyl)-1-[2-(3-methoxyphenyl)pyrazolo[1,5-a]pyrazin-4-yl]piperidine-4-carboxamide
  • 5-(2-pyridinyl)-1H-Indazol-3-amine
  • 3-[(Propan-2-yl)amino]cyclobutane-1-carboxylic acid
  • 2-(6-chloro-2-oxo-4-phenyl-1,2-dihydroquinazolin-1-yl)-N-(3-methoxypropyl)acetamide
  • 1-(4-Chlorophenyl)-N-cyclopentyl-2-oxo-3-pyrrolidinecarboxamide
  • Methyl 2-((phenylsulfonyl)methyl)acrylate
  • 1-(2-Chloro-5-methoxyphenyl)guanidine
  • N-[(4-Propoxyphenyl)methyl]-2-(pyridin-2-YL)quinoline-4-carboxamide
  • N-[(3-Ethoxy-4-methoxyphenyl)methyl]-2-(pyridin-2-YL)quinoline-4-carboxamide
  • N-[(3-Ethoxy-4-methoxyphenyl)methyl]-6-methyl-2-(pyridin-2-YL)quinoline-4-carboxamide
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