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      Taizhou Mingguang Chemical Co., Ltd. Taizhou Mingguang Chemical Co., Ltd.  

      Paraformaldehyde

      English name: Paraformaldehyde; Polyoxymethylene
      CAS number: 30525-89-4
      Structural formula:
      Molecular formula: HO-(CH2O)n-H, n=10-100
      Appearance and properties: Low molecular weight white crystal powder with formaldehyde smell
      Molecular weight: (30)n
      Vapor pressure: 0.19kPa/25℃
      Flash point: 71℃
      Melting point: 120~170℃
      Solubility: insoluble in ethanol, soluble in dilute acid and alkali, slightly soluble in cold water, more soluble in hot water
      Density: relative density (water = 1) 1.39; relative density (air = 1) 1.03
      Stability: stable
      Hazard marking: Class 4.1, flammable solid
      Storage conditions: 2-8°C



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