... 3.Purity: 85% min 4.Standard:GB/T2093-93 Name:Formic acidPopular name:Methanoic acidMolecular formula:HCOOHCAS No:64-18-6Appearance ... RESULTAPPEARANCEClear, Colorless LiquidClear, Colorless LiquidCHROMA (as platinum & cobalt) ≤3015FORMIC ACID, ≥85.085.37CHLORIDE(ASCL_), ≤0.0200.003SULPHATE(ASSO42_), ≤0.0500 ... FE3+ ), ≤0.00100.0003EVAPORATION RESIDUE, ≤0.0800.018 Pure 85% Formic Acid