... Appearance: Colorless transparent liquid CAS NO.: 64-18-6 SPECIFICATION OF FORMIC ACID: ItermsStandardsResultFORMIC ACID (%)85.0 Min85.39CHROMA(as ... Tanning agent, Deliming agent, Neutralizer etc.3, Printing and Dyeing Industry :Acid Stains etc.4, Chemical industry:Methane amide, DMF, ... .5, Rubber industry:Coagulation, etc.6, Steel industry:Acid cleaning of steel production, etc. 7, Paper industry:Pulp ...