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Merck

D9154

o-Dianisidine dihydrochloride

tablet

Synonym(s):

3,3′-Dimethoxybenzidine dihydrochloride, Fast Blue B

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About This Item

Empirical Formula (Hill Notation):
C14H16N2O2 · 2HCl
CAS Number:
20325-40-0
Molecular Weight:
317.21
NACRES:
NA.83
PubChem Substance ID:
24894263
UNSPSC Code:
12352204
EC Number:
243-737-5
MDL number:
MFCD00012488
Beilstein/REAXYS Number:
3917996

Key Documents

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Product Name

o-Dianisidine dihydrochloride, tablet, 10 mg substrate per tablet

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

SMILES string

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

form

tablet

solubility

water: 1 tablet/10 mL, clear, colorless

storage temp.

2-8°C

Quality Level

200

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Biochem/physiol Actions

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.

Preparation Note

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.

Disclaimer

Probably carcinogenic.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Carc. 1B - Eye Dam. 1 - Skin Corr. 1

Storage Class

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

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
0000390713
0000390713
SLCJ7840
SLCD6994
SLBX3894

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