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Key Documents

Safety Information

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:
Molecular Weight:
267.15
Beilstein:
1882318
EC Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23

Quality Level

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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Signal Word

Danger

Hazard Statements

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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C Keen et al.
Toxicology letters, 213(1), 3-8 (2011-04-20)
This is a follow up survey of exposure to 4,4'-methylene-bis(2-chloroaniline) (MbOCA) and isocyanates in the UK polyurethane industry. Urine samples (n=446) were collected from 90 different workers. MbOCA levels were below the limit of detection in 170 samples and 26
J Cocker et al.
International journal of hygiene and environmental health, 210(3-4), 383-386 (2007-02-27)
The UK Health and Safety Laboratory (HSL) provides research and analytical support to the Health and Safety Executive, other Government Departments and employers. In the area of biomonitoring HSL conducts research studies and provides an analytical service for regular surveillance
R E Savage et al.
Journal of occupational and environmental medicine, 40(2), 125-135 (1998-03-21)
Many bladder cancers are indolent, and since there are no biomarkers to predict progression, the prognosis is problematic. Utilizing an in vitro/in vivo human uroepithelial cell (SV-HUC.PC) transformation system, we investigated several molecular events occurring along the continuum of exposure
Abid Dost et al.
Occupational medicine (Oxford, England), 59(6), 402-405 (2009-07-01)
To monitor the occurrence of cancer in a recently defined cohort of UK workers engaged in the manufacture of polyurethane elastomers using 4,4'-methylene-bis-ortho-chloroaniline. A cohort of 308 male production workers from seven factories have been enumerated. All employees had a
4,4'-Methylenebis(2-chloroaniline).
Report on carcinogens : carcinogen profiles, 12, 262-264 (2011-08-24)

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