Chlorthal-dimethyl DCPA;Dimethyl 2,3,5,6-tetrachlorobenzene-1,4-dicarboxylate Molecular formula: C10H6Cl4O4 molecular weight: 331.97 CAS registry No. :1861-32-1 EINECS No. :217 log-464-7 physical and chemical properties of the quality criteria: ≥ 96.0% Moisture content: ≤ 1.0% Melting point: 155 157 Hexachlorobenzene: ≤ 80PPM Solubility (25 ): Water 0.5mg / L, acetone 100g/kg, benzene 250g/kg, Dioxane 120g/kg, toluene