Clomazone; Dimethazone 2-((2-chlorophenyl)methyl)-4,4-dimethyl-3-isoxazolidinone Molecular Weight: 239.7 CAS No.: ... 81777-89-1 Clomazone; DimethazoneChemical Name: 2-((2-chlorophenyl)methyl)-4,4-dimethyl-3-isoxazolidinoneMolecular Formula: C12H14ClNO2Molecular Weight: 239.7CAS No.: 81777 ... ropy liquid, specific weight: 1.192(20°C), b.p.: 275.4°C, m.p.: 25°C, relative density: 1.192, vapor tension ...