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D5905

Sigma-Aldrich

3,3′-Diaminobenzidine tetrahydrochloride

peroxidase substrate, chromogenic, tablet

Synonym(s):

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

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About This Item

Linear Formula:
(NH2)2C6H3C6H3(NH2)2 · 4HCl
Molecular Weight:
360.11
Beilstein/REAXYS Number:
1212988
EC Number:
231-018-9
MDL number:
MFCD00012969
UNSPSC Code:
12352204
PubChem Substance ID:
24893981
NACRES:
NA.83

product name

3,3′-Diaminobenzidine tetrahydrochloride, tablet, 10 mg substrate per tablet

Quality Level

200

form

tablet

solubility

water: 1 tablet/15 mL (may contain small insoluble particles)

storage temp.

−20°C

SMILES string

Cl.Cl.Cl.Cl.Nc1ccc(cc1N)-c2ccc(N)c(N)c2

InChI

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

InChI key

KJDSORYAHBAGPP-UHFFFAOYSA-N

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Specificity

Peroxidase substrate suitable for use in immunoblotting and immunohistological staining procedures. This substrate produces an insoluble end product that is brown in color and can be observed visually.

Application

3,3′-Diaminobenzidine tetrahydrochloride has been used for immunohistochemistry.
Reagent for spectrophotometric determination of selenium.

Biochem/physiol Actions

3,3′-Diaminobenzidine tetrahydrochloride is a chromogenic substrate, which is commonly used in immunoperoxidase tests.

Reconstitution

Dissolve 1 tablet in 15 ml of Tris-buffered saline, pH 7.6. Add 12 μl of fresh 30% hydrogen peroxide. DAB and hydrogen peroxide concentration may be adjusted to suit individual applications.

Other Notes

2024 CiteAb Award Winner for Supplier Succeeding in Parkinson′s Research

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Danger

Hazard Classifications

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

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk_germany

WGK 3

ppe

Eyeshields, Gloves, type N95 (US)

Certificates of Analysis (COA)

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NBT-BCIP substrate system aids in western blotting and immunohistological staining, producing a blue-purple insoluble end product.

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