Polyformaldehyde

Physical and Chemical Constants:

  National Standard No.: 41533

  CAS No.: 30525-89-4

  Also Known As: Polyformaldehyde; Polyoxymethylene; Paraformaldehyde; Solid Formaldehyde; Polymerized Formic Aldehyde

  Molecular Formula: (CH2O)n

  Appearance and Properties: Low molecular weight is a white crystalline powder with a formaldehyde odor

  Molecular Weight: (30)n

  Vapor Pressure: 0.19 kPa/25°C

  Flash Point: 70°C

  Melting Point: 120~170°C

  Solubility: Insoluble in ethanol, slightly soluble in cold water, soluble in dilute acids and dilute alkalis

  Density: Relative density (water=1) 1.39; relative density (air=1) 1.03

  Stability: Stable

  Hazard Mark: 8 (flammable solid)

Main Uses: Mainly used to manufacture various synthetic resins and adhesives, and also used in the production of fumigants, disinfectants, bactericides, and insecticides.