formic acid

Main components: content: a ≥ 90.0%; 2 ≥ 85.0%. Quality Standard: GB/T2093-93 Index name of the Qualified excellent product Formic acid content% ≥ 85 ≥ 90 Acetic acid "0.6" 0.4 Chroma (Pt - Co) of ≤ 10 ≤ 10 Dilution test (acid + water = 1 +3) clear clear Chloride (CL)% ≤ 0.005 ≤ 0.003 Sulfate (as SO42 count)% ≤ 0.002 0.001 Iron (Fe)% ≤ 0.0005 ≤ 0.0001 Appearance: colorless fuming liquid, there is a strong pungent smell. pH: Melting point (): 8.2 Boiling point (): 100.8 Relative density (water = 1): 1.23 Relative vapor density (air = 1): 1.59 Saturated vapor pressure (kPa): 5.33 (24 ) Heat of combustion (kJ / mol): 254.4 Critical Temperature (): 306.8 Critical Pressure (MPa): 8.63 Octanol / water partition coefficient as log Pow: -0.54 Flash point (): 68.9 (O.C) Ignition temperature (): 410 Explosive limit% (V / V): 57.0 Explosive limit% (V / V): 18.0 Solubility: Water-miscible, non-soluble hydrocarbons may be miscible in the alcohol.