3-Methyl-5-Pyrazolone

• Product Name3-Methyl-5-Pyrazolone
  CAS No.108-26-9
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  Molecular Structure

Other Information

• CAS Registry Number: 108-26-9
• 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