Para Formaldehyde

We, Hir Primak Enterprise, are engaged in importing, exporting and supplying with excellent quality of Paraformaldehyde (PFA) which is the smallest polyoxymethylene, the polymerization product of formaldehyde with a typical degree of polymerization of 8–100 units. Paraformaldehyde is the solid form of liquid formaldehyde, formed by the polymerization of formaldehyde with a typical degree of polymerization of 8-100 units. Since paraformaldehyde is basically a condensed form of formaldehyde, it possesses the same characteristics but with a wider range of applications.

Specification: CAS No. 30525-89-4

Formula OH(CH2O)nH(n=8-100)
Odour pungent
Appearance Free flowing white granules/powder
Formaldehyde Content % 96 ( +/- 1)
Methanol Content % 0.5 maximum
Free moisture content % 1.25 maximum
Acidity ( as Formic Acid) percent 0.03 max.
Melting Point 120 - 170
Bulk Density (kg/m3) 750 - 850

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  • • The most important use of paraformaldehyde is in the production of many thermosetting resins, together with phenol, urea, melamine, resorcinol and other similar reagents.
  • • For production of lon Exchange Resins (chloromethylation reaction).
  • • Disinfection of the air in rooms.
  • • Many other chemicals/resins are manufactured from paraformaldehyde include dichloroethyl formal, methyl phenol, disinfectants, insecticides, pharmaceuticals such as vitamin A, embalming preparations, dyestuff and special plasticizers.
  • • Hardening of Glues.
  • • Manufacture of fluorescent pigments and soluble condensation product for textile auxiliaries, alcoholic solutions commonly known as ‘FORMOCEL’.
  • • In photography, paraformaldehyde is a gelatine hardener and accelerates development.
  • • It is a component of certain antiperspirant powders.

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