Technical Index : Quality Index : industrial grade and refined grade; Three Forms : Powder, Flake and Crystal Application : As an important dyestuff intermediate, it is used for Azoic dyes and Sulphur dyes production, and as fur black D, fur blue and black DB,rubber antioxidant, gasoline polymerization inhibitor and raw material for developer. It is widely adopted in frontier technology in the world. If you want to acquaint with more details, please don't hesitate to contact us at info AT cnwelcom DOT com DOT cn, we will try our best to work for you.