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32741 Sigma-Aldrich

3,3′-Diaminobenzidine

purum, ≥98.0% (CHN)

Synonym: 3,3′,4,4′-Biphenyltetramine, 3,3′,4,4′-Tetraaminobiphenyl, DAB

  • CAS Number 91-95-2

  • Linear Formula (NH2)2C6H3C6H3(NH2)2

  • Molecular Weight 214.27

  •  Beilstein Registry Number 1212988

  •  EC Number 202-110-6

  •  MDL number MFCD00007725

  •  PubChem Substance ID 329754306

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Properties

Related Categories Building Blocks, Chemical Synthesis, Nitrogen Compounds, Organic Building Blocks, Polyamines More...
InChI Key   HSTOKWSFWGCZMH-UHFFFAOYSA-N
grade   purum
assay   ≥98.0% (CHN)
mp   173-176 °C
  175-177 °C(lit.)
solubility   dioxane: soluble0.1 g/10 mL, clear, colorless
storage temp.   2-8°C

Description

Application

Peroxidase substrate; reagent for spectrophotometric determination of selenium.

3,3′-Diaminobenzidine, a dark brown dye, was used as an antibody-specific stain to identify the paired antibodies in breast tissue. 3,3′-Diaminobenzidine may be used for the determination of selenium and for the synthesis of a useful, linear, Schiff-base coordination polymer.

General description

The photooxidation of 3,3′-diaminobenzidine by Chlamydomonas reinhardii and blue-green algae has been investigated. Electropolymerization of 3,3′-diaminobenzidine on solid substrate electrode (Platinum, Gold and Glassy Electrode) affords stable and water insoluble films.

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Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
DV8750000

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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