Property: Colorless transparent oily liquid smoke,with the irritating odor. Formic acid is miscible with water and most polar organic solvents, and somewhat soluble in hydrocarbons. In hydrocarbons and in the vapor phase it consists of hydrogen-bonded dimers rather than individual molecules. Owing to its tendency to hydrogen-bond, gaseous formic acid does not obey the ideal gas law. Solid formic acid (two polymorphs) consists of an effectively endless network of hydrogen-bonded formic acid molecules. This relatively complicated compound also forms a low-boiling azeotrope with water (22.4%) and liquid formic acid also tends to supercool.
Specification:
Item
Top Grade
First Grade
Qualified Grade
Purity%,≥
90
85
Chroma(Pt-Co)≤
10
20
Dilution test(Acid+water=1+3)%, ≤
No cloud
Qualified
Chloride(C1)%, ≤
0.003
0.005
0.020
Sulfate(S04) %, ≤
0.001
0.002
0.050
Iron(Fe) %,≤
0.0001
0.0005
0.0010
Residue on evaporation,%, ≤
0.006
0.080
Packing: 25kg,35kg,250kg,1000kg plastic drums, IBC tank or upon customers’ demand.
Applications: For the preparation of formate, formic acid ester, formamide and so on, or also used in medicine, printing and dyeing, dye, leather industry
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