Formic acid Basic information
| Product Name | Formic acid |
| Synonyms | Acide formique;acideformique;acideformique(french);Acido formico;acidoformico;Add-F;Kwas metaniowy;kwasmetaniowy |
| CAS | 64-18-6 |
| MF | CH2O2 |
| MW | 46.03 |
| EINECS | 200-579-1 |
Formic acid Chemical Properties
| Melting point | 8.2-8.4 °C (lit.) |
| Boiling point | 100-101 °C (lit.) |
| density | 1.22 g/mL at 25 °C (lit.) |
| vapor density | 1.03 (vs air) |
| vapor pressure | 52 mm Hg ( 37 °C) |
| refractive index | n20/D 1.377 |
| FEMA | 2487 | FORMIC ACID |
| Fp | 133 °F |
| storage temp. | 2-8°C |
| solubility | H2O: soluble1g/10 mL, clear, colorless |
| pka | 3.75(at 20℃) |
| form | Liquid |
| Specific Gravity | 1.216 (20℃/20℃) |
| color | APHA: ≤15 |
| PH | 3.47(1 mM solution);2.91(10 mM solution);2.38(100 mM solution); |
| Odor | at 0.10 % in water. pungent vinegar formyl |
| Odor Type | acetic |
| explosive limit | 12-38%(V) |
| Water Solubility | MISCIBLE |
| Sensitive | Hygroscopic |
Formic acid Usge And Synthesis
| Description | Formic acid is a clear, colorless liquid with a pungent odor. Formic acid was first isolated from certain ants and was named after the Latin formica, meaning ant. It is made by the action of sulfuric acid on sodium formate, which is produced from carbon monoxide and sodium hydroxide. It is also produced as a by-product in the manufacture of other chemicals such as acetic acid. It can be anticipated that use of formic acid will continuously increase as it replaces inorganic acids and has a potential role in new energy technology. Formic acid toxicity is of a special interest as the acid is the toxic metabolite of methanol. |
| Uses | Formic acid occurs in the stings of ants andbees. It is used in the manufacture of estersand salts, dyeing and finishing of textiles andpapers, electroplating, treatment of leather,and coagulating rubber latex, and also as areducing agent. |
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