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Home > Products > Aldehydes > Paraformaldehyde


Other Names:Polyformaldehyde; Ethyl Methyl Ether

Molecular Formula:(CH2O)n

UN No.: 2213

HS No.:2912600000

CAS No.:   30525-89-4

EINECS No.:   200-001-8

Hazard Class:  4

Purity:  96% 

Appearance: White Powder or Crystal Pearls



Our paraformaldehyde meets Chinese national standards, as well as European and American standards.

Content                96%min
Acidity0.04% max
Ash0.08% max
Fe0.001% max


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.

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 stabilizer to limit the extent of polymerization.


PackageDrum No.Net Weight per Drum Net Weight per 20'FCL

Bags880.0025 KG22 MT

Bags22.001000 KG22 MT


paraformaldehyde is depolymerized, the resulting formaldehyde may be used as a fumigant, disinfectant, fungicide, and fixative. Longer chain-length (high molecular weight) polyoxymethylenes are used as a thermoplastic and are known as polyoxymethylene plastic (POM, Delrin).

Paraformaldehyde can be used as a substitute of aqueous formaldehyde to produce the resinous binding material, which is commonly used together with melamine, phenol or other reactive agents in the manufacturing of particle board, medium density fiberboard and plywood.


Keep away from heat and flame. Keep from contact with oxidizing materials. Store in a cool, dry, well ventilated area.  


Our chemicals can be tested by any impartial third party, such as SGS,BV,ISO,CE, etc.


We work in this field for about 11 years, and the annual output of sulfuric acid is about 1000,000 tons.


1.Quickly and timely response 

2.Quick and professional Delivery of chemicals

3.Professional technical support and after-sales service

4.Full set of Hazard Chemical Exporting Licenses

5.Continuous and stable supply chemicals with professionally deal Bulk Vessel,ISO Tank and containers transportation