formic acid use for formate,formic acid esters,formamide,also medicine,printing and dyeing,dyeing,leather formic acidCAS RN:64-18-6Molecular ... ,benzene-in solubleUse: Preparation for formate,formic acid esters,formamide,also medicine,printing and dyeing,dyeing,leather,and other industrial uses.Package:25/ ... 0005 evaporation residue % ≤ 0.006 ≤ 0.020 formic acid 85% for Leather and Textile Chemicals