... oily liquid smoke, 2.with the irritating odor. 3.Formic acid is miscible with water CAS No.:64-18-6HS ... : 101°CDensity: 1.22g/mlAcidity(pKa):3.744MSDS: Available on requestProperty: formic acid is Colorless transparent oily liquid smoke,with ... Grade Qualified Grade Purity%,≥908585Chroma(Pt-Co)≤1020Dilution test(Acid+water=1+3)%, ≤No cloudQualifiedChloride(C1)%, ≤0.0030.0050.020Sulfate(S04) %, ...