... Formic acid 85% mainly used in Pesticides,Leather,dye,medicine and rubber ect industry Formic ... use: It is one basic chemicals for organic Chemical,mainly used in Pesticides,Leather,dye,medicine and rubber ect ... Industry:Formamide, dimethylformamide, antioxidant ect.4.Leather Industry:Tanning agents for leather.5.Dye Industry:Acid dye ect6. ... % ≤ 0.006 ≤ 0.020 Formic acid 85% Leather and Dye Chemicals