| 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 | n |
| 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 |
| color | APHA: ≤15 |
| Specific Gravity | 1.216 (20℃/20℃) |
| PH | 3.47(1 mM solution);2.91(10 mM solution);2.38(100 mM solution); |
| explosive limit | 12-38%(V) |
| Water Solubility | MISCIBLE |
| λmax | λ: 260 nm Amax: 0.03 λ: 280 nm Amax: 0.01 |
| Sensitive | Hygroscopic |
| Merck | 14,4241 |
| JECFA Number | 79 |
| BRN | 1209246 |
| Henry's Law Constant | At 25 °C: 95.2, 75.1, 39.3, 10.7, and 3.17 at pH values of 1.35, 3.09, 4.05, 4.99, and 6.21, respectively (Hakuta et al., 1977) |
| Exposure limits | TLV-TWA 5 ppm (～9 mg/m3) (ACGIH, MSHA, OSHA, and NIOSH); IDLH 100 ppm (180 mg/m3) (NIOSH). |
| Stability: | Stable. Substances to be avoided include strong bases, strong oxidizing agents and powdered metals, furfuryl alcohol. Combustible. Hygroscopic. Pressure may build up in tightly closed bottles, so bottles should be opened carefully and vented periodically. |
| InChIKey | BDAGIHXWWSANSR-UHFFFAOYSA-N |
| CAS DataBase Reference | 64-18-6(CAS DataBase Reference) |
| NIST Chemistry Reference | Formic acid(64-18-6) |
| EPA Substance Registry System | Formic acid (64-18-6) |
Our company produces 50000 tons of formic acid annually。
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