Appearence:
Solid-fused or granular, yellow/red color, soluble in water, presenting strong alkaline solution, easily oxidized when exposed to air, poisonus.
Package: 25Kgs pp bag.
Application: Used as making sulphur dyes or dyestuff intermediate reducer, mordant, flotation agent, depilatory for leather, digestion auxiliary in paper-making. Also widely in pigment and rubber industry, etc.