Product Name

  • Name

    1,3-Dimethylpyrazole

  • EINECS 689-662-5
  • CAS No. 694-48-4
  • Article Data6
  • CAS DataBase
  • Density 0.98 g/cm3
  • Solubility
  • Melting Point 82.75°C (estimate)
  • Formula C5H8N2
  • Boiling Point 153 °C at 760 mmHg
  • Molecular Weight 96.1319
  • Flash Point 38.6 °C
  • Transport Information
  • Appearance
  • Safety
  • Risk Codes
  • Molecular Structure Molecular Structure of 694-48-4 (1,3-Dimethylpyrazole)
  • Hazard Symbols IrritantXi
  • Synonyms Pyrazole,1,3-dimethyl- (7CI,8CI);1,3-Dimethyl-1H-pyrazole;1,3-Dimethylpyrazole;2,5-Dimethylpyrazole;NSC 190569;1,3-Dimethyl pyrazole;
  • PSA 17.82000
  • LogP 0.72850

1,3-Dimethylpyrazole Chemical Properties

IUPAC Name: 1,3-Dimethylpyrazole
Synonyms of 1H-Pyrazole,1,3-dimethyl- (CAS NO.694-48-4): 1,3-Dimethyl-1H-pyrazole
CAS NO: 694-48-4
Molecular Formula of 1H-Pyrazole,1,3-dimethyl- (CAS NO.694-48-4): C5H8N2
Molecular Weight: 96.1304
Molecular Structure:

H bond acceptors: 2 
Polar Surface Area: 17.82 Å2
Index of Refraction: 1.518
Molar Refractivity: 29.67 cm3
Molar Volume: 97.7 cm3
Surface Tension: 31.3 dyne/cm
Density of 1H-Pyrazole,1,3-dimethyl- (CAS NO.694-48-4): 0.98 g/cm3
Flash Point: 38.6 °C
Enthalpy of Vaporization: 36.18 kJ/mol
Boiling Point: 140.2 °C at 760 mmHg
Vapour Pressure: 7.74 mmHg at 25°C

1,3-Dimethylpyrazole Safety Profile

Hazard Codes: IrritantXi
Hazard Note: Irritant
HazardClass: IRRITANT

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