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32741

3,3′-Diaminobenzidine

purum, ≥98.0% (CHN)

Synonym(s):

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

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About This Item

Linear Formula:
(NH2)2C6H3C6H3(NH2)2
CAS Number:
91-95-2
Molecular Weight:
214.27
EC Number:
202-110-6
UNSPSC Code:
12352100
PubChem Substance ID:
329754306
Beilstein/REAXYS Number:
1212988
MDL number:
MFCD00007725
Assay:
≥98.0% (CHN)
Form:
solid
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grade

purum

assay

≥98.0% (CHN)

form

solid

mp

173-176 °C, 175-177 °C (lit.)

solubility

dioxane: soluble 0.1 g/10 mL, clear, colorless

storage temp.

2-8°C

SMILES string

NC1=C(N)C=CC(C2=CC(N)=C(N)C=C2)=C1

InChI

1S/C12H14N4/c13-9-3-1-7(5-11(9)15)8-2-4-10(14)12(16)6-8/h1-6H,13-16H2

InChI key

HSTOKWSFWGCZMH-UHFFFAOYSA-N

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.

Application

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.
Peroxidase substrate; reagent for spectrophotometric determination of selenium.

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pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Carc. 1B - Eye Irrit. 2 - Muta. 2

Storage Class

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Synthesis and characterization of the thermally stable copolymer of tetrakis (salicylaldehydato-O, O') zirconium (IV) and 3, 3'-diaminobenzidine.
Archer RD and Wang B.
Inorganic Chemistry, 29(1), 39-39 (1990)
Photooxidation of 3,3'-diaminobenzidine by blue-green algae and Chlamydomonas reinhardii.
N H Chua
Biochimica et biophysica acta, 267(1), 179-189 (1972-04-20)
Determination of traces of selenium 3, 3-diaminobenzidine as selenium (lV) organic reagent.
Cheng K L.
Analytical Chemistry, 28(11), 1738-1742 (1956)
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