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Merck
CN

117323

Sigma-Aldrich

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
Beilstein:
1882318
EC Number:
202-918-9
MDL number:
MFCD00047829
UNSPSC Code:
12162002
PubChem Substance ID:
24847326
NACRES:
NA.23

Key Documents

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Quality Level

100

Assay

85%

form

solid

bp

202-214 °C/0.3 mmHg (lit.)

mp

102-107 °C (lit.)

SMILES string

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

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

InChI key

IBOFVQJTBBUKMU-UHFFFAOYSA-N

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Related Categories

Signal Word

Danger

Hazard Statements

H302,H341,H350,H410

Hazard Classifications

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

Storage Class Code

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

Flash Point(C)

113 °C - 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
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
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)
J Cocker et al.
The Annals of occupational hygiene, 53(5), 499-507 (2009-05-19)
The main objective of the study was to gather information about the current controls and levels of exposure to 4,4'-methylene-bis (2-chloroaniline) (MbOCA) in a representative cross section of workplaces that use it to manufacture polyurethane elastomers. The study also aimed
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