Product Name

  • Name

    3,5-Dimethyl-4-nitro-1H-pyrazole

  • EINECS
  • CAS No. 14531-55-6
  • Article Data39
  • CAS DataBase
  • Density 1.339 g/cm3
  • Solubility
  • Melting Point 125.0 to 129.0 °C
  • Formula C5H7N3O2
  • Boiling Point 304.5 °C at 760 mmHg
  • Molecular Weight 141.129
  • Flash Point 138 °C
  • Transport Information
  • Appearance pale white crystal powder
  • Safety
  • Risk Codes
  • Molecular Structure Molecular Structure of 14531-55-6 (3,5-Dimethyl-4-nitro-1H-pyrazole)
  • Hazard Symbols
  • Synonyms 3,5-Dimethyl-4-nitropyrazole;4-Nitro-3,5-dimethylpyrazole;3,5-Dimethyl-4-nitro pyrazole;Pyrazole,3,5-dimethyl-4-nitro- (6CI,7CI,8CI);
  • PSA 74.50000
  • LogP 1.45790

3,5-Dimethyl-4-nitro-1H-pyrazole Chemical Properties

IUPAC Name: 3,5-Dimethyl-4-nitro-1H-pyrazole
Synonyms of: 3,5-Dimethyl-4-nitropyrazole ; 5-23-05-00160 (Beilstein Handbook Reference) ; BRN 0125474 ; Pyrazole, 3,5-dimethyl-4-nitro-
CAS NO: 14531-55-6
Classification Code: Mutation data
Molecular Formula: C5H7N3O2
Molecular Weight: 141.128
Molecular Structure:

H bond acceptors: 5
H bond donors: 1
Freely Rotating Bonds: 1
Polar Surface Area: 63.64 Å2
Index of Refraction: 1.578
Molar Refractivity: 34.97 cm3
Molar Volume: 105.3 cm3
Surface Tension: 58.8 dyne/cm
Density: 1.339 g/cm3
Flash Point: 138 °C
Enthalpy of Vaporization: 52.31 kJ/mol
Boiling Point: 304.5 °C at 760 mmHg
Vapour Pressure: 0.00157 mmHg at 25°C

3,5-Dimethyl-4-nitro-1H-pyrazole Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 325mg/kg (325mg/kg)   Farmakologiya i Toksikologiya Vol. 25, Pg. 27, 1962.

3,5-Dimethyl-4-nitro-1H-pyrazole Safety Profile

HazardClass: IRRITANT

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