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Merck

D5637

3,3′-Diaminobenzidine tetrahydrochloride hydrate

≥96%

Synonyme(s) :

(1,1′-Biphenyl)-3,3′,4,4′-tetramine tetrahydrochloride dihydrate

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A propos de cet article

Formule linéaire :
C12H14N4 · 4HCl · xH2O
Numéro CAS:
868272-85-9
NACRES:
NA.47
PubChem Substance ID:
57654109
UNSPSC Code:
12171500
EC Number:
231-018-9
MDL number:
MFCD08273058

Principaux documents

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InChI key

DXWSCXIZIHILNP-UHFFFAOYSA-N

InChI

1S/C12H14N4.4ClH.H2O/c13-9-3-1-7(5-11(9)15)8-2-4-10(14)12(16)6-8;;;;;/h1-6H,13-16H2;4*1H;1H2

SMILES string

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

assay

≥96%

form

powder, crystals or chunks

technique(s)

titration: 96-104% (with NaOH)

color

white to light brown, and Faint Red and Faint Grey to Light Grey

mp

280 °C

solubility

H2O: 50 mg/mL

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

−20°C

Quality Level

200

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Catégories apparentées

General description

3,3′-Diaminobenzidine tetrahydrochloride hydrate is a chromogen commonly used in immunohistochemistry and other staining techniques to visualize the presence of antigens or antibodies in biological samples. DAB HCl is designed as an immunohistology stain to visualize peroxidase activity in cells. DAB oxidation can be measured using a spectrophotometer.

Application

3,3′-Diaminobenzidine tetrahydrochloride hydrate is suitable for immunohistology staining procedures, western blotting, and FISH (fluorescence in situ hybridization). DAB is used in studying epithelial cell apoptosis in the event of early cataracts, and immunohistochemistry protocols of autosomal dominant polycystic kidney disease (PKD).

Biochem/physiol Actions

In the peroxidase reaction, DAB serves as a hydrogen donor in the presence of peroxide. The oxidized DAB forms an insoluble brown-colored complex.

signalword

Danger

pictograms

Health hazardExclamation mark
GHS08,GHS07

Hazard Classifications

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

Classe de stockage

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

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificats d'analyse (COA)

Lot/Batch Number
MKCT8673
MKCW1123
MKCW2779
MKCV2140
MKCK5099

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