Product name: 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone ; DDQ

Cas No: 84-58-2

Appearance: Yellow crystalline powder

Loss on drying: Not more than 0.5%

Melting point: 214℃～218℃

Heavy metals:Not more than 20ppm

Assay(HPLC): 98.5%-101%