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Formic Acid
Popular name: Methanoic acid
CAS NO.: 64-18-6
EINECS: 200-579-1
Molecular formula: CH2O2, HCOOH
Formula weight: 46.03
InChI: 1S/CH2O2/c2-1-3/h1H,(H,2,3)
Melting point: 8.6 ℃
Density: 1.22
Water-solubility: Soluble
Physicochemical properties:
1.Colorless fuming flammable liquid and irritating dour.
2.Melting point: 8.6 ℃; Boiling point: 100.8 ℃; Flash point: 68.9 ℃
3.Solubility in water, ethanol and ether, slightly soluble in benzene
| Item | Specifications | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 99% | 94% | 90% | 85% | |||||||
| Superior | Superior | First-class | Qualified | Superior | Firs-class | Qualified | Superior | First-calss | Qualified | |
| Formic Acid, w/% ≥ | 99 | 94 | 90 | 85 | ||||||
| Colour /Hazen（Pt-Co）≤ | 10 | 10 | 20 | 10 | 20 | 10 | 20 | 30 | ||
| Diluting(sample＋water＝13) | clear | Clear | Pass test | Clear | Pass test | Clear | Pass test | |||
| Chlorides（as Cl），w/% ≤ | 0.0004 | 0.0005 | 0.001 | 0.002 | 0.0005 | 0.002 | 0.002 | 0.002 | 0.004 | 0.006 |
| Sulphates（as SO4），w/% ≤ | 0.0004 | 0.0005 | 0.001 | 0.005 | 0.0005 | 0.001 | 0.005 | 0.001 | 0.002 | 0.02 |
| Iron（as Fe）w/% ≤ | 0.0001 | 0.0001 | 0.0004 | 0.0006 | 0.0001 | 0.0004 | 0.0006 | 0.0001 | 0.0004 | 0.0006 |
| Evaporation Residues w/% ≤ | 0.003 | 0.006 | 0.015 | 0.02 | 0.006 | 0.015 | 0.02 | 0.006 | 0.02 | 0.06 |
