... quality and competitive price. CAS: 64-18-6 Formic acid is a colorless liquid having a highly pungent, ... odor, miscible with water and alcohol solvents.Specification: Formic acid content85% Min(Cl-)0.005% Max(SO42-)0. ... 5, Rubber industry:Coagulation, etc.6, Steel industry:Acid cleaning of steel production, etc. 7, Paper industry: ... . 10, Poultry industry:Silage, etc. 85% Formic Acid (Methanonic Acid)