<unk> , also known as polyoxymethylene, is the condensation product of formaldehyde with a typical chain length of 8 - 100 units. Long chain-length (high molecular weight)<unk>  is used as a thermoplastic and is known known as polyoxymethylene plastic (POM, Delrin, polyformaldehyde).<unk>  commonly has a slight odor of formaldehyde due to decomposition.<unk>  is a poly-acetal.<unk>  is used as fumigant, disinfectant, and fungicide, and for the preparation of pure formaldehyde.
Paraformaldehyde
Indigo carmine
Acetarsol
Ethacridine lactate
Manganese dioxide
Dextrin
Formaldehyde
Tetrachloroethylene