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| Boiling Point/Range | : | 100-101°C |
| Color | : | Colorless |
| DOT | : | UN1779, Formic Acid, 8(3), P.G. II |
| Flammability/Explosive Limits | : | Upper: 38%(V); Lower:18%(V) |
| Flash Point | : | 49.5°C |
| Form | : | Liquid |
| Melting/Freezing Point | : | 8.2-8.4°C |
| Odor Threshold | : | 0.02 ppm |
| Odor | : | Stinging |
| Relative Density | : | 1.22 g/cm3 |
| Vapor Density | : | 1.59 |
| Vapor Pressure | : | 171 hPa |
| Water Solubility | : | Miscible in all proportions |
| pH | : | 2.2 at 10 g/l at 20°C |