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D5637

Sigma-Aldrich

3,3′-Diaminobenzidine tetrahydrochloride hydrate

≥96%

Synonyme(s) :

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

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About This Item

Formule linéaire :
C12H14N4 · 4HCl · xH2O
Numéro CAS:
868272-85-9
Numéro CE :
231-018-9
Numéro MDL:
MFCD08273058
Code UNSPSC :
12171500
ID de substance PubChem :
57654109
Nomenclature NACRES :
NA.47

Niveau de qualité

200

Pureté

≥96%

Forme

powder, crystals or chunks

Technique(s)

titration: 96-104% (with NaOH)

Couleur

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

Pf

280 °C

Solubilité

H2O: 50 mg/mL

Application(s)

diagnostic assay manufacturing
hematology
histology

Température de stockage

−20°C

Chaîne SMILES 

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

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

Clé InChI

DXWSCXIZIHILNP-UHFFFAOYSA-N

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Catégories apparentées

Description générale

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).

Actions biochimiques/physiologiques

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

Pictogrammes

Exclamation markHealth hazard
GHS07,GHS08

Mention d'avertissement

Danger

Mentions de danger

H302 - H319 - H341 - H350

Classification des risques

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

Code de la classe de stockage

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

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Franc Llorens et al.
Nature communications, 11(1), 619-619 (2020-02-01)
The clinical diagnosis of vascular dementia (VaD) is based on imaging criteria, and specific biochemical markers are not available. Here, we investigated the potential of cerebrospinal fluid (CSF) lipocalin 2 (LCN2), a secreted glycoprotein that has been suggested as mediating
Fatima Solange Pasini et al.
Journal of gastroenterology, 49(11), 1453-1466 (2013-11-13)
The TNM Classification of Malignant Tumours (TNM) staging system is the primary means of determining a prognosis for gastric adenocarcinoma (GC). However, tumor behavior in the individual patient is unpredictable and in spite of treatment advances, a classification of 'advanced
Daniel Balazs Fulop et al.
Scientific reports, 9(1), 14598-14598 (2019-10-12)
Pituitary adenylate cyclase activating polypeptide (PACAP) is a regulatory and cytoprotective neuropeptide, its deficiency implies accelerated aging in mice. It is present in the auditory system having antiapoptotic effects. Expression of Ca2+-binding proteins and its PAC1 receptor differs in the
Nimrat Grewal et al.
European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery, 46(5), 831-839 (2014-08-28)
The clinical course of many patients with a bicuspid aortic valve (BAV) is complicated by ascending aortic dilatation. Currently, the indication for aortic surgery is solely based on the aortic diameter and subsequently only a small proportion of BAV patients
Nicole M Derks et al.
Neuroscience research, 66(1), 117-123 (2009-10-17)
Women have higher vulnerability to stress and stress-induced diseases than men. Estrogen may be involved in the control of sex-dependent stress adaptation via estrogen receptors alpha and beta (ERalpha/beta). Urocortin 1 (Ucn1) in the npEW plays an important role in
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Articles

Colorimetric Alkaline Phosphatase and Peroxidase Substrate Detection Systems

Nitroblue Tetrazolium (NBT) is used with the alkaline phosphatase substrate 5-Bromo- 4-Chloro-3-Indolyl Phosphate (BCIP) in western blotting and immunohistological staining procedures. These substrate systems produce an insoluble NBT diformazan end product that is blue to purple in color and can be observed visually.

Colorimetric Alkaline Phosphatase and Peroxidase Substrate Detection Systems

Nitroblue Tetrazolium (NBT) is used with the alkaline phosphatase substrate 5-Bromo- 4-Chloro-3-Indolyl Phosphate (BCIP) in western blotting and immunohistological staining procedures. These substrate systems produce an insoluble NBT diformazan end product that is blue to purple in color and can be observed visually.

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