 | |
| Names | |
|---|---|
| Preferred IUPAC name 1,2,3,5-Tetramethylbenzene | |
| Other names Isodurene | |
| Identifiers | |
3D model (JSmol) | |
| ChEMBL | |
| ChemSpider | |
| ECHA InfoCard | 100.007.653 |
| EC Number |
|
| UNII | |
| UN number | 1993 |
| |
| |
| Properties | |
| C10H14 | |
| Molar mass | 134.22 |
| Appearance | colorless liquid |
| Density | 0.89 g/cm3 |
| Melting point | −23.7 °C (−10.7 °F; 249.5 K) |
| Boiling point | 198 °C (388 °F; 471 K) |
| 27.9 mg/L | |
| Hazards | |
| Occupational safety and health (OHS/OSH): | |
Main hazards | Flammable |
| GHS labelling: | |
 | |
| Warning | |
| H315,H319 | |
| P264,P280,P302+P352,P305+P351+P338,P321,P332+P313,P337+P313,P362 | |
| Flash point | 63.3 °C (145.9 °F; 336.4 K) |
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa). | |
Isodurene or1,2,3,5-tetramethylbenzene is anorganic compound with the formula C6H2(CH3)4, classified as anaromatic hydrocarbon. It is a flammable colorless liquid which is nearly insoluble in water but soluble in organic solvents. It occurs naturally incoal tar. Isodurene is one of three isomers oftetramethylbenzene, the other two beingprehnitene (1,2,3,4-tetramethylbenzene) anddurene (1,2,4,5-tetramethylbenzene).[1]
Isoodurene can be prepared frommesitylene, which is converted tomesityl bromide. The latter reacts with magnesium to give the Grignard reagent, which can be alkylated withdimethyl sulfate:[2]
Industrially, isodurene can be isolated from thereformed fraction ofoil refineries. It may also be produced bymethylation of toluene, xylenes, andtrimethylbenzenes.[1]
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