... CAS NO.: 64-18-6 SPECIFICATION OF FORMIC ACID: ItermsStandardsResultFORMIC ACID (%)85.0 Min85.39CHROMA(as platinum& cobalt)(%) ... in pesticide,leather, rubber,dyes,pharmaceuticals and other industries. Usage:1, Pharmaceutical industry :Caffeine, Analgin , Aminopyrine, Vitamin B1, ... .5, Rubber industry:Coagulation, etc.6, Steel industry:Acid cleaning of steel production, etc. 7, Paper industry: ...