P-phenylenediamine(PPD)

Provide two kinds of PPD：White lump，White flake .

Purity (%)：White color：99 .9min

Application：

Dye intermediate：Azo dyestuff，Sulphur dyestuff,Acid dyestuff and rubber antioxidant

Polymerization：PPD+Terepht haloyl chloride → polyterephthaloyl-p-phenylene diamine fibre

Dyestuff：PPD+HCL+HF →Black dyestuff

Gasoline polymerization inhibitor and developer,airplane coatings , bullet-proof garments and wall coatings ,etc

Production Properties：White to reddish colcr to dust color. The color will darken if exposed in the air.Stored in airproof，dry space away from light.

Easy to dissolve in hot water,ethanol，aether，chloroform，ratherish to dissolve in cold water.