3,3DichlorobenzidineDihydrochloride

3,3DichlorobenzidineDihydrochloride

Other Names
3,3-dichloro-4,4-biphenyldiamine4 ; 3,3’-dichlorobiphenyl-4,4’-diamine ; 3,3’-dichloro-4,4’-biphenyldiamine ; 3,3’-dichloro-4,4’-diaminobiphenyl ; 3,3- dcb
Chemical Formula
C12H12Cl4N2
CAS No
91-94-1
Molar Mass
253 of free base / 326 of Hydrochloride
TEST RESULT
Appearance White To Off White Crystalline Moist Powder
% Strength By Nitrite Value W/W 72+/-2 % on ml.wt-253; 90+/-4 % on ml.wt-326
% Strength Of Dry Material Nitrite Value W/W 98+/-1 % on ml.wt 326
Insoluble In Dilute HCl Solution 0.2% - max
Insoluble In Dilute Tetrazo Solution 0.2 % - max
Acidity 2 - 3 pH

Applications:

It is used in the synthesis of organic like “Pigment Yellow 12 & Pigment Yellow 13”, etc.