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