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Merck
CN

117323

4,4′-Methylene-bis(2-chloroaniline)

85%

Synonym(s):

2,2′-Dichloro-4,4′-methylenedianiline, 4,4′-Diamino-3,3′-dichlorodiphenylmethane

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About This Item

Linear Formula:
CH2[C6H3(Cl)NH2]2
CAS Number:
101-14-4
Molecular Weight:
267.15
UNSPSC Code:
12162002
NACRES:
NA.23
PubChem Substance ID:
24847326
EC Number:
202-918-9
Beilstein/REAXYS Number:
1882318
MDL number:
MFCD00047829

Key Documents

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InChI key

IBOFVQJTBBUKMU-UHFFFAOYSA-N

InChI

1S/C13H12Cl2N2/c14-10-6-8(1-3-12(10)16)5-9-2-4-13(17)11(15)7-9/h1-4,6-7H,5,16-17H2

SMILES string

Nc1ccc(Cc2ccc(N)c(Cl)c2)cc1Cl

assay

85%

form

solid

bp

202-214 °C/0.3 mmHg (lit.)

mp

102-107 °C (lit.)

Quality Level

100

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Related Categories

flash_point_c

113 °C - closed cup

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B - Muta. 2

Storage Class

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

wgk

WGK 3

flash_point_f

235.4 °F - closed cup

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ4602
MKCW1243
02727DH
08107PA
03307MB

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A Jeżewska et al.
Toxicology mechanisms and methods, 21(7), 554-560 (2011-04-09)
A new procedure has been developed for the assay of 2,2'-dichloro-4,4'-methylenedianiline (MOCA) using high-performance liquid chromatography with diode array detector. MOCA was sampled from workplace air and derivative before determination using 3,5-dinitrobenzoyl chloride. The determination was carried out in the
Evaluation of worker exposure to TDI, MOCA, and methylene chloride.
Richard Fairfax et al.
Journal of occupational and environmental hygiene, 3(6), D50-D53 (2006-04-20)
P Vineis et al.
Cancer causes & control : CCC, 8(3), 346-355 (1997-05-01)
Epidemiological evidence on the relation between aromatic amines and cancer risk is reviewed. In particular, cancer risk in humans resulting from exposure to aromatic amines from occupational sources and tobacco smoking is assessed with reference to ecologic, cohort, and case-control
T M Reid et al.
Toxicology letters, 95(3), 205-210 (1998-08-15)
The genotoxic potential of two occupationally significant chemicals, 4,4'-methylene-bis-2-chloroaniline (MOCA) and 2-phenyl-1,4-benzoquinone (PBQ), was explored by monitoring the induction of mutations at the HPRT locus of AHH-1 human lymphoblastoid cells. Exposure of AHH-1 cells to the putative carcinogenic metabolite of
Bogusław Buszewski et al.
Talanta, 93, 117-121 (2012-04-10)
Extraction techniques for 4,4'-methylenebis(2-chloroaniline) (MOCA) in air samples and water solutions were developed and compared. Classic techniques for air sampling of MOCA were enhanced by incorporating a derivatization step (3,5-dinitrobenzoyl chloride solution in toluene), thus increasing the limit of detection
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