Product Name

  • Name

    1-Methyl-1H-pyrazole-4-carboxylic acid

  • EINECS
  • CAS No. 5952-92-1
  • Density 1.349 g/cm3
  • Solubility
  • Melting Point 203-208 °C
  • Formula C5H6N2O2-
  • Boiling Point 306.886 °C at 760 mmHg
  • Molecular Weight 126.115
  • Flash Point 139.4 °C
  • Transport Information
  • Appearance
  • Safety 24/25
  • Risk Codes
  • Molecular Structure Molecular Structure of 5952-92-1 (1-Methyl-1H-pyrazole-4-carboxylic acid)
  • Hazard Symbols IrritantXi
  • Synonyms 1-methylpyrazole-4-carboxylic acid;1-methylpyrazole-4-carboxylate;
  • PSA 55.12000
  • LogP 0.11830

1-Methyl-1H-pyrazole-4-carboxylic acid Chemical Properties


IUPAC Name: 1-Methylpyrazole-4-carboxylic acid
Molecular Formula: C5H6N2O2
Molecular Weight: 126.11 g/mol
Canonical SMILES: CN1C=C(C=N1)C(=O)O
InChI: InChI=1S/C5H6N2O2/c1-7-3-4(2-6-7)5(8)9/h2-3H,1H3,(H,8,9)
XLogP3-AA: -0.2  
H-Bond Donor: 1  
H-Bond Acceptor: 3
Index of Refraction: 1.59 
Molar Refractivity: 31.56 cm3 
Molar Volume: 93.4 cm3 
Polarizability: 12.51×10-24 cm3 
Surface Tension: 51.4 dyne/cm 
Density: 1.34 g/cm
Flash Point: 139.4 °C 
Enthalpy of Vaporization: 57.8 kJ/mol 
Boiling Point: 306.9 °C at 760 mmHg 
Melting Point: 203-208 °C
Vapour Pressure of 1-Methyl-1H-pyrazole-4-carboxylic acid (CAS NO.5952-92-1): 0.000326 mmHg at 25 °C

1-Methyl-1H-pyrazole-4-carboxylic acid Safety Profile

Hazard Codes: IrritantXi
HazardClass of 1-Methyl-1H-pyrazole-4-carboxylic acid (CAS NO.5952-92-1): Irritant

1-Methyl-1H-pyrazole-4-carboxylic acid Specification

 1-Methyl-1H-pyrazole-4-carboxylic acid (CAS NO.5952-92-1), its Synonyms are 1-Methyl-4-pyrazolecarboxylic acid ; 1H-pyrazole-4-carboxylic acid, 1-methyl- .

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