Properties of Triethanolamine (C6H15NO3)
Triethanolamine, often abbreviated as TEOA, is a chemical compound that serves as an organic compound and a tertiary amine. It is a colorless, viscous liquid with a slightly ammoniacal odor. Triethanolamine is commonly used in various industrial and consumer products, such as cosmetics, personal care products, and pharmaceuticals.
The following table provides a comprehensive list of triethanolamine 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 | 149.19 g/mol |
| Density | 1124 kg/m3 |
| Dynamic Viscosity | 613.6 mPa·s |
| Surface Tension | 45.24 mN/m |
| Thermal Properties | Metric |
| Melting Point | 21.6 °C |
| Boiling Point | 335.4 °C |
| Thermal Conductivity | 0.1954 W/m·K |
| Specific Heat Capacity (Cp) | 2078 J/kg·K |
| Coefficient of Thermal Expansion (αV) (55°C) | 5.3×10-4 1/°C |
| Electrical Properties | Metric |
| Relative Permittivity (εr) | 29.36 |
| Optical Properties | Metric |
| Refractive Index (589 nm) | 1.485 |
| Hazardous Data | Metric |
| Flash Point | 179 °C |
| Autoignition Temperature | 325 °C |
| Lower Flammability Limit | 1% |
| Upper Flammability Limit | 10% |
| NFPA Rating (Health) | 2 |
| NFPA Rating (Fire) | 1 |
| 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.