3,3 DCB – 3,3-Dichloro Benzidine

33-DCB-33-Dichloro-Benzidine-1

3,3 DCB - 3,3-Dichloro Benzidine

3,3-dichlorobenzidine (DCB) is an industrial chemical that was used as a dye intermediate and a pigment. It is a off -white grey crystalline powder with a slight chlorine-like odor. It is used in the production of printing inks, dyes, and pigments, as well as in the manufacture of rubber products and as a reagent in laboratory procedures.

  
 
Physical AppearanceOff white greyish moist powder
Molecular FormulaC12 H12 Cl4 N2
CAS NO
91-94-1
Molecalar Weight253 of free base / 326 of Hydrochloride
% Strength by Nitrite Value w/w70% ± 2% on MW 253 / 90% ± 2% on MW 326
% Strength of dry material
Nitrite Value w/w		98% ± 1% on MW 326
Insolubles in dil HCI solution0.2% max.
Insolubles in Tetrazo solution0.2% max.
AcidityPositive, PH 2 to 3
Packing on 100% basis of M.W. 25325 Kgs. Net in Polylined HDPE Bags
 50 Kgs. Net in Polylined Fibre Drums
  
ApplicationSynthesis of Organic Pigments