Product Name: 3,3'-dichlorobenzidine dihydrochloride 
Synonyms: 3,3-Dichlorobenzidine, dihydrochloride; 3,3'-Dichloro(1,1'-biphenyl)-4,4'-diamine dihydrochloride; Benzidine,dihydrochloride; p,p'-Diaminodiphenyl,hydrochloride; 3,3'-dichlorobiphenyl-4,4'-diamine dihydrochloride; 3,3-dichlorobenzidine dihydrochloride 
CAS RN.: 612-83-9 
EINECS: 210-323-0 
Molecular Weight: 326.0491 
Molecular Formula: C₁₂H₁₂Cl₄N₂
Boiling Point(℃): 385°C at 760 mmHg 
Flash Point(℃): 186.6°C 
Water Solubility: <0.1 g/100 mL at 21.5℃