Merck
All Photos(2)

D9143

Sigma-Aldrich

o-Dianisidine

peroxidase substrate

Synonym(s):
3,3′-Dimethoxybenzidine, Fast Blue B
Empirical Formula (Hill Notation):
C14H16N2O2
CAS Number:
Molecular Weight:
244.29
Beilstein:
1879884
EC Number:
MDL number:
PubChem Substance ID:

Quality Level

form

powder

solubility

H2O: slightly soluble
aqueous acid: soluble

SMILES string

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

InChI

1S/C14H16N2O2/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

InChI key

JRBJSXQPQWSCCF-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application

o-Dianisidine has been used for neutrophil myeloperoxidase activity (MPO) assay. It has also been used for staining erythrocytes.
as a constituent in neutral benzidine staining of dried blood smears

Packaging

5, 25 g in glass bottle

Caution

Darkens in storage.

Warning

Probably carcinogenic.

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)

402.8 °F - closed cup

Flash Point(C)

206 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH Annex XVII (Restriction List)

CAS No.

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).

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