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D9886

Sigma-Aldrich

3,3′-Dichlorobenzidine dihydrochloride

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About This Item

Empirical Formula (Hill Notation):
C12H10Cl2N2 · 2HCl
CAS Number:
612-83-9
Molecular Weight:
326.05
EC Number:
210-323-0
MDL number:
MFCD00040388
UNSPSC Code:
12171500
PubChem Substance ID:
24894118
NACRES:
NA.47

SMILES string

Cl[H].Cl[H].Nc1ccc(cc1Cl)-c2ccc(N)c(Cl)c2

InChI

1S/C12H10Cl2N2.2ClH/c13-9-5-7(1-3-11(9)15)8-2-4-12(16)10(14)6-8;;/h1-6H,15-16H2;2*1H

InChI key

BXAONUZFBUNTQR-UHFFFAOYSA-N

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Biochem/physiol Actions

Industrial carcinogen that induces liver and bladder tumors in laboratory animals.

Other Notes

An important intermediate in the production of diarylide azo pigments and a known animal carcinogen. Environmental pollutant.

Signal Word

Danger

Hazard Statements

H312,H317,H350,H410

Hazard Classifications

Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B - Skin Sens. 1

Storage Class Code

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

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.

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Certificates of Analysis (COA)

Lot/Batch Number
015F0746
055H0694

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E F Stula et al.
Journal of environmental pathology and toxicology, 1(4), 475-490 (1978-03-01)
Six female beagle dogs were given, by capsule, a daily oral dose of 100 mg of 3,3'-dichlorobenzidine (DCB), 3 times per week for 6 weeks, then 5 times per week continuously for periods up to 7.1 years. The DCB test

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