CAS No.: 874-42-0 Molecular formula: C7H4Cl2O Molecular weight: 175.01 Density: 1.3456 g / ml Melting point: 64-69 ℃ Boiling point: 233 ℃ Flash point: 135 ℃ Content: ≥ 99 (GC) Package: 40kg cardboard barrel