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3,5-Dimethylpyrazole

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3,5-Dimethylpyrazole Basic information
3,5-Dimethylpyrazole Chemical Properties
  • Melting point:105-108 °C(lit.)
  • Boiling point:218 °C(lit.)
  • Density 0,884 g/cm3
  • refractive index 1.4739 (estimate)
  • Flash point:210°C
  • storage temp. Store below +30°C.
  • solubility methanol: 0.1 g/mL, clear
  • pka15.12±0.10(Predicted)
  • form Crystalline Powder or Crystals
  • color White to almost white
  • PH6.7 (14g/l, H2O, 20℃)
  • Water Solubility Soluble in water, methanol 0.1 g/mL.
  • BRN 106325
  • InChIKeySDXAWLJRERMRKF-UHFFFAOYSA-N
  • CAS DataBase Reference67-51-6(CAS DataBase Reference)
  • NIST Chemistry Reference1H-Pyrazole, 3,5-dimethyl-(67-51-6)
  • EPA Substance Registry System3,5-Dimethylpyrazole (67-51-6)
Safety Information
  • Hazard Codes Xn,Xi
  • Risk Statements 22-36/37/38
  • Safety Statements 26-36
  • WGK Germany 3
  • RTECS UQ6477600
  • Hazard Note Irritant
  • TSCA Yes
  • HazardClass IRRITANT
  • HS Code 29331990
MSDS
3,5-Dimethylpyrazole Usage And Synthesis
  • Chemical PropertiesWhite crystal powder
  • UsesCommon reagent for the preparation of pyrazolato ligated complexes.1,2 Also used to prepare N-1-substituted derivatives having antibacterial activity.3
  • Uses3,5-Dimethylpyrazole is used as intermediate for the manufacture of organic dyestuffs and photochemicals. Product Data Sheet
  • Synthesis Reference(s)Journal of Heterocyclic Chemistry, 19, p. 373, 1982 DOI: 10.1002/jhet.5570190231
    Organic Syntheses, Coll. Vol. 4, p. 351, 1963
  • Purification MethodsCrystallise it from cyclohexane or water. [Barszez et al. J Chem Soc, Dalton Trans 2025 1986, Beilstein 23/5 V 110.]
3,5-Dimethylpyrazole Preparation Products And Raw materials
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