... of Formic Acid, and can supply good products with best price. 2. main used in the leather auxiliary industry Formic AcidCAS RN.:64-18-6 ... °c.Usage: widely used in pharmaceutical industry, leather industry, printing and dyeing industry, chemical industry, rubber industry, steel industry, paper industry, pesticide industry, food industry, poultry industry etc.Packing: in 25kg/35kg/250kg/plastic ...