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3,3'-diaminobenzidine CAS NO: 91-95-2

3,3'-diaminobenzidine CAS NO: 91-95-2

Name: 3,3'-diaminobenzidine
CAS NO: 91-95-2
Purity: 98% min
MF: C12H14N4
MW:214.27
Appearance:Off -white to brown powder
COA:Provide
Usage: as a monomer for high temperature resistant polymers.It's a precursor to polybenzimidazole(PBI)

Description of 3,3'-Diaminobenzidine  DAB£ü91-95-2

 

NAME 3,3'-Diaminobenzidine (DAB)
CAS NO 91-95-2
MF C12H14N4
MW 214.27
EINECS NO 202-110-6
MP 175-177 °C(lit.)
BP 344.41°C (rough estimate)
DENSITY 1.1726 (rough estimate)
APPEARANCE Off -white to brown powder
STORAGE Room temperature

 

3,3'-Diaminobenzidine (DAB) is an organic compound derived from benzidine. It is the precursor to the synthetic fibre polybenzimidazole (PBI), which have high thermal and oxidative stability properties. DAB is water-soluble as the tetrahydrochloride salt and is used in immunohistochemical staining of nucleic acids and proteins.


Research in Alzheimer's disease, Aβ protein amyloid plaques are targeted by a primary antibody, and subsequently by a secondary antibody, which is conjugated with a peroxidase enzyme. This will bind DAB as a substrate and oxidize it, producing an easily observable brown colour. 3,3'-Diaminobenzidine is also available as the tetrahydrochloride salt and the tetrahydrochloride hydrate.
 

Other name:

[1,1'-Biphenyl]-3,3',4,4'-tetramine;

Biphenyl-3,3',4,4'-tetramine;

3,3',4,4'-Biphenyltetramine;

4-(3,4-diaminophenyl)benzene-1,2-diamine;

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Application of 3,3'-Diaminobenzidine DAB£ü91-95-2

 

1.3,3'-diaminobenzidine  ( CAS NO: 91-95-2/ DAB)   Monomer used as a high temperature resistant polymer.

  

2.Anion-exchange Properties
DAB has unique anion-exchange properties that result in high selectivity for Rhodium (III) over Palladium (II) and Platinum (IV) in a concentrated Hydrochloric Acid Solution .

 

Future Directions
DAB has a wide range of applications in both academic and industrial settings. One of its most common uses is in immunohistochemistry, where it is used as a coupling reagent to detect the presence of certain proteins . It is also employed in the synthesis of certain dyes and serves as a precursor in the production of various azo dyes, which are commonly used in textile manufacturing and other industries

 

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