Polymeric Aldehyde Paraformaldehyde (PFA) High-End Chemicals is the smallest polyoxymethylene, the polymerization product of Formaldehyde with a typical degree of polymerization of 8–100 units. El Grade Chemicals Paraformaldehyde High Purity Chemicals commonly has a slight odor of formaldehyde due to decomposition. Paraformaldehyde is a poly-acetal. Industry Grade Ups
Paraformaldehyde forms slowly in aqueous formaldehyde solutions as a white precipitate, especially if stored in the cold. Formalin actually contains very little monomeric formaldehyde; most of it forms short chains of polyformaldehyde.
A small amount of methanol is often added as a stabilier to limit the extent of polymerization.
Molecular formula: (CH2O)n
Molecular weight: 600
CAS No.: 30525-89-4
Alias: Polyoxymethylene; metaformaldehyde; paraform; formagene
Resins, Agrochemicals, Medical Applications, Others (Including Development of Photographic Films, Papermaking, Oil Field Chemicals, lubricant additives, etc.)
25KG woven bag, 20MT/20`FCL on pallets.
5. Storage and Handling
Keep away from heat and flame. Keep from contact with oxidizing materials.
Store in a cool, dry, well ventilated area.
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