4-Pyrazolecarboxylic acid , 98% , 37718-11-9

CAS NO.：37718-11-9

Empirical Formula: C4H4N2O2

Molecular Weight: 112.09

MDL number: MFCD00011558

EINECS: 253-641-5

PRODUCT Properties

• Melting point: 282 °C (dec.)(lit.)
• Boiling point: 417.1±18.0 °C(Predicted)
• Density: 1.524±0.06 g/cm3(Predicted)
• storage temp.: Sealed in dry,Room Temperature
• form: Powder
• pka: 3.81±0.10(Predicted)
• color: Off-white
• InChI: InChI=1S/C4H4N2O2/c7-4(8)3-1-5-6-2-3/h1-2H,(H,5,6)(H,7,8)
• InChIKey: IMBBXSASDSZJSX-UHFFFAOYSA-N
• SMILES: N1C=C(C(O)=O)C=N1
• CAS DataBase Reference: 37718-11-9(CAS DataBase Reference)

Description and Uses

4-Pyrazolecarboxylic acid was used in preparation of ethyl 4-pyrazolecarboxylate.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319-H335
• Precautionary statements: P302+P352-P305+P351+P338
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-37/39
• WGK Germany: 3
• HazardClass: IRRITANT
• HS Code: 29339900