1-Ethyl-1-methylbenzene Other names: 2-Ethyltoluene o-Ethyltoluene ortho-Ethyltoluene Formula: C9H12 CAS: 611-14-3 Weight: 120,19 g/mol Boiling point: 165,1 °C Melting point: -17 °C Density: 0,8807 g/cm3