3H-Pyrazol-3-one,2,4-dihydro-

Modify Date: 2025-08-29 14:09:14

3H-Pyrazol-3-one,2,4-dihydro- Structure
3H-Pyrazol-3-one,2,4-dihydro- structure
Common Name 3H-Pyrazol-3-one,2,4-dihydro-
CAS Number 137-44-0 Molecular Weight 84.07670
Density 1.44g/cm3 Boiling Point N/A
Molecular Formula C3H4N2O Melting Point 162 °C
MSDS N/A Flash Point N/A

 Names

Name 1H-Pyrazol-5(4H)-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.44g/cm3
Melting Point 162 °C
Molecular Formula C3H4N2O
Molecular Weight 84.07670
Exact Mass 84.03240
PSA 41.46000
Index of Refraction 1.63
InChIKey ZRHUHDUEXWHZMA-UHFFFAOYSA-N
SMILES O=C1CC=NN1

 Safety Information

Hazard Codes Xi
HS Code 2933199090

 Precursor & DownStream

Precursor  1

DownStream  1

 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%

 Synonyms

1,4-dihydropyrazol-5-one
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