... CAS No.: 64-18-6 Property: Colorless Specification: Formic acid content85% Min(Cl-)0.005% Max(SO42-)0.002% Max ... agent, Neutralizer etc.3, Printing and Dyeing Industry :Acid Stains etc.4, Chemical industry:Methane amide, DMF, Age ... .5, Rubber industry:Coagulation, etc.6, Steel industry:Acid cleaning of steel production, etc. 7, Paper industry:Pulp ... . 10, Poultry industry:Silage, etc. P.W Formic Acid 85%