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Formic Acid |
CAS No.:64-18-6 | UN No.:1779 | EC NO: 200-579-1 |
Molecular Structure: Molecular Formula: CH2O2 Molecular Weight:46.03
MP: 8.4°C BP: 101°C Density: 1.22g/ml Acidity(pKa):3.744
MSDS: Available on request | |
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 | Purity%,≥ | 90 | 85 | Chroma(Pt-Co)≤ | 10 | 20 | Dilution test(Acid+water=1+3)%, ≤ | No cloud | Qualified | Chloride(C1)%, ≤ | 0.003 | 0.005 | Sulfate(S04) %, ≤ | 0.001 | 0.002 | Iron(Fe) %,≤ | 0.0001 | 0.0005 | Residue on evaporation,%, ≤ | 0.006 | 0.020 |
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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 |
