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D9154

Sigma-Aldrich

o-Dianisidine dihydrochloride

tablet, 10 mg substrate per tablet

Synonym(s):
Fast Blue B, 3,3′-Dimethoxybenzidine dihydrochloride
Empirical Formula (Hill Notation):
C14H16N2O2 · 2HCl
CAS Number:
Molecular Weight:
317.21
Beilstein:
3917996
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.83

Quality Level

form

tablet

solubility

water: 1 tablet/10 mL, clear, colorless

storage temp.

2-8°C

SMILES string

Cl.Cl.COc1cc(ccc1N)-c2ccc(N)c(OC)c2

InChI

1S/C14H16N2O2.2ClH/c1-17-13-7-9(3-5-11(13)15)10-4-6-12(16)14(8-10)18-2;;/h3-8H,15-16H2,1-2H3;2*1H

InChI key

UXTIAFYTYOEQHV-UHFFFAOYSA-N

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Specificity

o-Dianisidine (3,3′-dimethoxybenzidine) is a peroxidase substrate suitable for use in ELISA procedures. This substrate produces a soluble end product that is yellow-orange in color and can be read spectrophotometrically at 405 nm. The reaction may be stopped with 5 M HCl.

Packaging

50, 100 tablets in glass bottle

Warning

Probably carcinogenic.

Reconstitution

Dissolve one tablet in 60 ml of 50 mM phosphate-citrate buffer, pH 5.0. Add 12 μl of fresh 30% hydrogen peroxide immediately before to use.

Pictograms

Exclamation markHealth hazard

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Carc. 1B

Storage Class Code

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

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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.

Protocols

Enzymatic Assay of Diamine Oxidase (E.C. No. 1.4.3.22)

To standardize a procedure for the enzymatic assay of Diamine Oxidase.

Enzymatic Assay of Glucose Oxidase

Enzymatic Assay of Glucose Oxidase

Enzymatic Assay of Cholesterol Oxidase

This procedure applies to products that have a specification for the enzymatic activity of cholesterol oxidase. This assay is NOT to be used to assay Cholesterol Oxidase from Schizophyllum commune (Discontinued Product Number C7274) and from Brevibacterium sp. (Discontinued Product Number C8153).

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