Properties of Methyl Formate (C2H4O2)
Methyl formate is a chemical compound with the molecular formula C2H4O2. It is an ester formed by the reaction between methanol and formic acid. Methyl formate is a colorless, flammable liquid with a sweet, fruity odor and is used in various industrial applications, including as a solvent and as a precursor in the production of other chemicals.
The following table provides a comprehensive list of methyl formate properties in both SI and US customary/Imperial units at normal temperature and pressure (NTP).
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Molar Mass | 60.05 g/mol |
| Density | 974 kg/m3 |
| Dynamic Viscosity | 0.34 mPa·s |
| Surface Tension | 25 mN/m |
| Thermal Properties | Metric |
| Melting Point | -99.8 °C |
| Boiling Point | 31.8 °C |
| Thermal Conductivity (25°C) | 0.187 W/m·K |
| Vapor Pressure | 63.4 kPa |
| Critical Constants | Metric |
| Critical Temperature (Tc) | 214 °C |
| Critical Pressure (Pc) | 6.01 MPa |
| Critical Molar Volume (Vc) | 172 cm3/mol |
| Electrical Properties | Metric |
| Relative Permittivity (εr) (15°C) | 9.2 |
| Optical Properties | Metric |
| Refractive Index (589 nm) | 1.342 |
| Hazardous Data | Metric |
| Flash Point | -19 °C |
| Autoignition Temperature | 449 °C |
| Lower Flammability Limit | 4.5% |
| Upper Flammability Limit | 23% |
| NFPA Rating (Health) | 2 |
| NFPA Rating (Fire) | 4 |
| NFPA Rating (Reactivity) | 0 |
Unless stated otherwise, all values are taken at room temperature (approximately 20°C or 68°F) and 1 atm pressure. (1 atm = 101,325 Pa)
Related Pages
References: 1) Cardarelli, François. Materials Handbook: A Concise Desktop Reference. Switzerland: Springer International Publishing, 2018. 2) CRC Handbook of Chemistry and Physics, 97th Edition. United Kingdom: CRC Press, 2016-2017. 3) Yaws, Carl L. The Yaws Handbook of Physical Properties for Hydrocarbons and Chemicals. Netherlands: Elsevier Science, 2015. 4) Fire Protection Guide to Hazardous Materials, 14th Edition. United States: National Fire Protection Association, 2010.