4,5-dihydro-1H-pyrazol-5-one

Overview

IDCS-0b56237e48fe

CAS RN137-44-0

Synonyms 5-Pyrazolone
4,5-dihydro-1H-pyrazol-5-one
RefChem:507730
824-477-7
1H-Pyrazol-5(4H)-one
137-44-0
4H-Pyrazol-3-ol
1,4-dihydropyrazol-5-one
3H-Pyrazol-3-one, 2,4-dihydro-
2-Pyrazolin-5-one More…

Request a Quote

Identification

Molecular FormulaC3H4N2O

Molecular Weight84.08 g/mol

CAS Number137-44-0

IUPAC Name

1,4-dihydropyrazol-5-one

C1C=NNC1=O

InChI=1S/C3H4N2O/c6-3-1-2-4-5-3/h2H,1H2,(H,5,6)

ZRHUHDUEXWHZMA-UHFFFAOYSA-N

Safety & Regulations

⚠ Warning Handle according to recommended safety guidelines.

WarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
WarningH319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
WarningH335 (75%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]