| Aliases | O-dimethyl phthalate; dimethyl terephthalate; 1,2-dimethyl terephthalate; oil repellent |
| English name | Dimethyl phthalate |
| CAS# | 131-11-3 |
| Molecular formula | C10H10O4 |
| Molecular weight | 194.19 |
| Structural formula | ![]() |
Colorless oily liquid. Slightly aromatic odor. With alcohol, ether and chloroform immiscibility, almost insoluble in water, petroleum ether and alkanes. The relative density of 1.1940. A melting point of 5.5 ℃. Boiling point 283.7 ℃. Refractive index 1.5168. The maximum absorption wavelength (in ethanol) 277nm (E1% 1cm57.7). A flash point of 146 ℃. Median lethal dose (rat, oral) 6.9ml / kg. Irritation.
Toughening agent. High boiling solvents. Plasticizer. Gas chromatography stationary phase (maximum use temperature of 120 ℃, solvent ether), separation and analysis of hydrocarbon and ester.
This product should be sealed in a cool place.