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Merck
CN

B3383

Benzidine dihydrochloride

≥99% (titration)

Synonym(s):

4,4′-Diaminobiphenyl dihydrochloride

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About This Item

Empirical Formula (Hill Notation):
C12H12N2 · 2HCl
CAS Number:
531-85-1
Molecular Weight:
257.16
UNSPSC Code:
12352116
NACRES:
NA.25
PubChem Substance ID:
24891713
EC Number:
208-519-6
Beilstein/REAXYS Number:
3914846
MDL number:
MFCD00040389
Assay:
≥99% (titration)
Form:
powder
Quality level:
200

Key Documents

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InChI key

RUAXWVDEYJEWRY-UHFFFAOYSA-N

InChI

1S/C12H12N2.2ClH/c13-11-5-1-9(2-6-11)10-3-7-12(14)8-4-10;;/h1-8H,13-14H2;2*1H

SMILES string

Cl[H].Cl[H].Nc1ccc(cc1)-c2ccc(N)cc2

assay

≥99% (titration)

form

powder

Quality Level

200

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Application

Benzidine (4,4′-Diaminobiphenyl) is an environmental genotoxin that posses increased risks of cancer to exposed people. Benzidine may be used as a reference material in procedures that analyze for benzidine. Benzidine can be used in studies on its mechanisms of genotoxicity.

Biochem/physiol Actions

Tumor initiator in mammary glands of experimental animal.

Disclaimer

Cancer suspect agent.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A

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

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
WE314499/1
E314499/1V
078K1153
083K2521
026K2509

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K C Morton et al.
Carcinogenesis, 2(8), 747-752 (1981-01-01)
To evaluate the role of metabolism in benzidine (BZ) carcinogenesis, BZ and 2 or its metabolites, N,N'-diacetylbenzidine and N-hydroxy-N,N'-diacetylbenzidine (NOHDABZ), were given by i.p. injection to female CD rats twice weekly for 4 weeks beginning at 30 days of age.
Jungsun Park et al.
American journal of industrial medicine, 52(8), 625-632 (2009-06-30)
Many corporations move their manufacturing facilities or technologies from developed to developing countries. Stringent regulations have made it costly for industries to operate in developed, industrialized countries. In addition, labor costs are high in these countries, and there is increasing
Jung Woo Lee et al.
Chemical communications (Cambridge, England), 48(3), 422-424 (2011-11-15)
We report a facile route to synthesize size tunable Fe(3)O(4) nanoparticles (NPs)-carbon nitride nanotube (CNNT) hybrids. These hybrids showing the water-soluble property are proven to exhibit ultra high peroxidase mimetic activity compared to those of pure NPs, where a colorless
Juliana Piva de Almeida et al.
Forensic science international, 206(1-3), 58-61 (2010-07-21)
Bloodstains often constitute the major physical evidence in crime investigation. Diluted blood invisible to the naked eye can be detected through presumptive tests however such tests can damage samples and prevent further processing such as DNA analysis. In this study
K Trivedi et al.
Nanotechnology, 20(40), 405204-405204 (2009-09-10)
This study reports fabrication and characterization of nanoscale organic light emitting diodes with reduced charge spreading. Nanoimprint lithography is used to make SU-8 nanochannels with approximately 90 degrees sidewalls into which N'-bis(naphthalen-1-yl)-N,N'-bis(phenyl)benzidine (NPB) and tris-(8-hydroxyquinoline) aluminum (Alq3) are thermally evaporated
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Articles

Carcinogenesis and Epigenetics

Cancer research has revealed that the classical model of carcinogenesis, a three step process consisting of initiation, promotion, and progression, is not complete.

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