Paraformaldehyde (CAS 30525-89-4)

Paraformaldehyde (CAS 30525-89-4)

Paraformaldehyde (PFA) is the smallest polyoxymethylene, the polymerization product of formaldehyde with a typical degree of polymerization of 8–100 units. Paraformaldehyde commonly has a slight odor of formaldehyde due to decomposition. Paraformaldehyde is a poly-acetal.

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Product Description

Information

Industries: Household chemicals, Adhesives, oils, greases, Building chemistry, Resins, plastics, polyurethanes
CAS number: 30525-89-4
WE number: 608-494-5
Chemical formula: (CH2O)N
Customs tariff code: 29126000
ADR: UN2213

Other physical properties

pH: 3,5 – 5,5 (10 g/l H2O, 20°C)
Melting / freezing point: 120 -170°C
Relative density: 1,3 g/cm3 (20°C)