Formic Acid methanoic acid CAS NO : 64-18-6 UN NO : 1779 Appearance: Colorless transparent liquid Formic Acid 85% Colour Index Platinum Cobalt----------------------------------10max Purity% ----------------------------------------------------------------85min Sulphate as SO4% ------------------------------------------------0.002 max Chloride as CL%---------------------------------------------------0.005max Iron as Fe%----------------------------------------------------------0.0005max Ignition Residue%--------------------------------------------------0.020max Formic Acid 90% Acidity%---------------------------------------------------------------90.0 min Chlorides,As CL %------------------------------------------------0.003 max Sulphates(As SO4) %---------------------------------------------0.001 max Metals,As Fe %-----------------------------------------------------0.0004 max Non-volatiles %-----------------------------------------------------0.020 max