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D9143

Sigma-Aldrich

o-Dianisidine

peroxidase substrate, chromogenic, powder

Synonym(s):

3,3′-Dimethoxybenzidine, Fast Blue B

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About This Item

Empirical Formula (Hill Notation):
C14H16N2O2
CAS Number:
119-90-4
Molecular Weight:
244.29
Beilstein:
1879884
EC Number:
204-355-4
MDL number:
MFCD00008372
UNSPSC Code:
12352204
PubChem Substance ID:
24894258
NACRES:
NA.83
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Product Name

o-Dianisidine, peroxidase substrate

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

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Application

o-Dianisidine has been used for neutrophil myeloperoxidase activity (MPO) assay.[1][2][3] It has also been used for staining erythrocytes.[4]
as a constituent in neutral benzidine staining of dried blood smears[5]

Caution

Darkens in storage.

Warning

Probably carcinogenic.

Pictograms

Health hazardExclamation mark
GHS08,GHS07

Signal Word

Danger

Hazard Statements

H302,H350

Hazard Classifications

Acute Tox. 4 Oral - Carc. 1B

Storage Class Code

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

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Certificates of Analysis (COA)

Lot/Batch Number
SHBP1768
SHBP6653
0000056565
0000055518
0000049627

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