... acid 85%: 1. purity: 85%, 76% 2. packing: 25kg/250kg drum, IBC. 3. competitive price 4. Quality guaranteed Formic acid 85%SPECSPurity: 85%min ... 0.0005%max.Evaporation Residue:0.02%max.Usage: Formic Acid is widely used in diversified lines all over the world ... Vitamin B and many other medicines. In chemical industry, Formic Acid is used in producing Methanamide , Diethyl Formamide, rubber age resister ...