Skip to Content
Merck
CN
All Photos(1)

Documents

Safety Information

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

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
(NH2)2C6H3C6H3(NH2)2 · 4HCl
Molecular Weight:
360.11
Beilstein:
1212988
EC Number:
MDL number:
UNSPSC Code:
12352204
PubChem Substance ID:
NACRES:
NA.83

product name

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

Quality Level

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

Looking for similar products? Visit Product Comparison Guide

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.

Pictograms

Health hazardExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Deletion of Dtnbp1 in mice impairs threat memory consolidation and is associated with enhanced inhibitory drive in the amygdala
Huang CCY, et al.
Translational Psychiatry, 9(1), 132-132 (2019)
Neuroprotection Induced by Energy and Protein-Energy Undernutrition Is Phase-Dependent After Focal Cerebral Ischemia in Mice
de Carvalho TS, et al.
Translational Stroke Research, 1-12 (2019)
C Ingvorsen et al.
International journal of obesity (2005), 38(10), 1282-1289 (2014-05-03)
Maternal obesity is associated with increased risk of metabolic dysfunction in the offspring. It is not clear whether it is the metabolic changes or chronic low-grade inflammation in the obese state that causes this metabolic programming. We therefore investigated whether
Grethe M Olsen et al.
Frontiers in systems neuroscience, 13, 38-38 (2019-09-10)
Recent investigations of the rat posterior parietal cortex (PPC) suggest that this region plays a central role in action control together with the frontal cortical areas. Posterior parietal-frontal cortical connections have been described in rats, but little is known about
Leonardo Della Salda et al.
Veterinary and comparative oncology, 17(3), 298-307 (2019-02-16)
Nectin-4 is an E-cadherin-based adherens junction protein of normal epithelial cells, as well as a potent mediator of anchorage-independent cancer colony formation. It is considered a tumour-associated histological and serological marker in various human cancers. The transcription factor p63 is

Articles

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

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service