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
  • 2-((4-(Pyrimidin-2-yl)piperazin-1-yl)sulfonyl)ethanamine hydrochloride
  • (2,2-Dimethyl-3-oxo-1-piperazinyl)acetic acid hydrochloride
  • 2-((2-Chloro-6-fluorobenzyl)amino)acetic acid hydrochloride
  • [3-(1-Isopropyl-1H-benzimidazol-2-yl)propyl]amine dihydrochloride
  • 2-Methyl-4,6-bis(trifluoromethyl)benzoyl chloride
  • 2-(6-oxo-3-(thiophen-2-yl)pyridazin-1(6H)-yl)-N-(pyridin-2-yl)acetamide
  • 1H-Indole-1-carboxylic acid, 4-borono-5,7-difluoro-, 1-(1,1-dimethylethyl) ester
  • [(7S,11S,12R,13S,14R,15R,16R,17S,18S,19Z,21Z)-2,15,17,36-tetrahydroxy-11-methoxy-3,7,12,14,16,18,22,30-octamethyl-6,23-dioxo-8,37-dioxa-24,27,33-triazahexacyclo[23.10.1.14,7.05,35.026,34.027,32]heptatriaconta-1(35),2,4,9,19,21,25(36),26(34),28,30,32-undecaen-13-yl] acetate
  • 1,2,4,6,7,8,8-heptachloro-2,3,3a,4,7,7a-hexahydro-1H-4,7-methanoindene
  • Methyl 2-amino-4-(methylamino)butanoate
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