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CAS No 108-26-9 , 3-methyl-1,4-dihydropyrazol-5-one

  • Name: 3-methyl-1,4-dihydropyrazol-5-one
  • Synonyms: 2,4-dihydro-5-methyl-; 2-PYRAZOLIN-5-ONE; NSC4120; 3-methylpyrazole-5-one; 3-METHYL-;3-Methyl-5-pyrazolone;3-methyl-1,4-dihydropyrazol-5-one; 3H-Pyrazol-3-one; 108-26-9;
  • CAS Registry Number:
  • Melting Point: 220-224 ºC
  • Flash Point: 141.1°C
  • Boiling Point: 309.7°C at 760 mmHg
  • Density: 1.33 g/cm3
  • Refractive index: 1.475
  • Water Solubility: Ethanol: slightly soluble
  • Safety Statements: Moderately toxic by unspecified route. When heated to decomposition it emits toxic vapors of NOx.
  • Flash Point: 141.1°C
  • EINECS: 203-565-3
  • Molecular Weight: 98.10324
  • InchiKey: NHLAPJMCARJFOG-UHFFFAOYSA-N
  • InChI: InChI=1S/C4H6N2O/c1-3-2-4(7)6-5-3/h2H2,1H3,(H,6,7)
  • Risk Statements: S24/25
  • Molecular Formula: C4H6N2O
  • Molecular Structure:CAS No:108-26-9 3-methyl-1,4-dihydropyrazol-5-one

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