Product name: 3,4-dichloro benzoyl chloride Molecular formula: C7H3CI3O Product name: 3,4-dichloro benzoyl chlorideMolecular formula: C7H3CI3O Molecular weight: 209.45CAS No.: 3024-72-4Registration No.:3024-72-4Melting point:30-33 % Boiling point:242 %Flash point:At 142 %, it is crystal, at high temperature it is liquid. 3,4-dichloro benzoyl chloride [3024-72-4]