Paraformaldehyde :

 

paraformaldehyde : white powder 
CAS: 30525-89-4 
UN; 2213 
HSCODE: 2912600000
Usage:phenolic resin, pesticide disinfect gul

 

Paraformaldehyde is the smallest polyoxymethylene , it is the product of the typical degree of the paraformaldehde of 8-10 units . Longer chain –length ( high molecular weight) polyoxymethylenes are used as and know as ( POM, Delrin)

 

Paraformaldehyde is used as fumigant and for the preparation of pure formaldehyde

 

Paraformaldehyde specifications:

 

 

PACKING(QUANTITY)	25KGS NET PP/PE BAG
CONTENT	96.2%
ASH	0.06%
APPARENT	CLARITY
ACIDITY(FORMIC ACID)	0.003%
FE	0.001%

 

Paraformaldehyde usage:

 

Agricultural chemicals: Paraformaldehyde used for production of herbicide, pesticide and bactericide, such as glyphosate, acetochlor, butachlor, machete, bismerthiazol, etc.

 

Coatings: Paraformaldehyde used for synthesis of oil paint and top-grade for car paint.

 

Medicines: Paraformaldehyde used for medical and hygienic disinfection instead of the formaldehyde

Resins: Paraformaldehyde used for synthesis of glycol, trimethylolpropane, N-Methylolacrylamide,

 

pentaerythritol, urea-formaldehyde resin, phenolic resin, melamine resin, ion exchange resin,high concentration resin etc.

Others: Paraformaldehyde used for the paper making, the production of vitamin A, spiceries, terpenoid derivatives, developers, vinyl resin softener and the substitution of formaldehyde in synthetic resin, surfactant, plastics, rubber, leather, paper making, dyes, pharmacy, farm chemicals, films, detonators, building materials as well as disinfection, fumigation and antisepsis.