Product Short Description: LEATHER CHEMICAL Product Description: Sodium sulfide Sodium hydroxide Sodium hydrosulfite / Arsenic sulfide Calcium hydrosulfide Dimethyl amine Sodium sulfhydrate OR SOD BISULFIDE OR SODIUM HYDROGEN SULFIDE as a hair removal potassium DI chromate SULPHURIC ACID Formic acid 85%/90% Oxalic acid 99.6% Glacial acetic acid