What is paraformaldehyde solution?
White amorphous powder. It smells of formaldehyde. A linear polymer of formaldehyde. No fixed melting point, decompose when heated. The melting point of 120 ~ 170 ℃. Soluble in hot water and releasing formaldehyde, slow soluble in cold water, soluble in caustic soda and alkali carbonate solution, insoluble in alcohol and ether, highly polymer insoluble in water.
Function of paraformaldehyde solution
Reactions similar to formaldehyde can occur, such as chloromethylation, and the formation of acetal with alcohol. Used for synthetic resin, adhesive, fungicide, insecticide, disinfectant, etc.
Application of paraformaldehyde solution
Used in synthetic resin, adhesive, paint and other industries agricultural
Used in the production of herbicides: glyphosate, methylamine, butachlor, ethylamine, gram and so on
Used in the production of insecticides: permethrin, methyldithion, triazole, triazone, medan, etc
Used as plant growth regulator: glyphosate
Used to disinfect ward, clothes and bedding etc