4-PYRAZOLECARBOXYLIC ACID

About This Item

Molecular Formula	C₄H₄N₂O₂
CAS Number	37718-11-9

FC-0520394

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Properties

Chemical Identifiers

IUPAC Name	1H-pyrazole-4-carboxylic acid
SMILES	C1=C(C=NN1)C(=O)O
InChI Key	IMBBXSASDSZJSX-UHFFFAOYSA-N
InChI	InChI=1S/C4H4N2O2/c7-4(8)3-1-5-6-2-3/h1-2H,(H,5,6)(H,7,8)

Physical Properties

Boiling Point	417.1±18.0 °C at 760 mmHg
Melting Point	282 °C (dec.)(lit.)
Flash Point	206.1±21.2 °C
Density	1.5±0.1 g/cm3

Safety Information

Hazard Class

Warning

Flash Point

206.1±21.2 °C

Please refer to the Safety Data Sheet (SDS) for complete handling, storage, and disposal instructions. Follow all applicable regulations when working with this chemical reagent.