4,4'-Methylenebis(2-chloroaniline)
- 2,2 ' -dichloro-4, 4'- methylene dianiline
- MOCA
- 4,4 ' -diamino-3, 3'- dichlorodiphenylmethane
- CL- MDA
- DACPM
- MOCA
Flammable, colorless to yellowish solid
Fixed
1.44 g · cm -3
110 ° C.
Decomposes 370 ° C
- Insoluble in water ( 0.0138 g · l-1 at 20 ° C)
- Soluble in hot butanone, acetone, esters, and aromatic hydrocarbons
Risk
Template: Infobox chemical / molecular formula search available
4,4 ' -methylene-bis (2- chloroaniline), MOCA or MBOCA short is a chemical compound useful as a crosslinking agent of TDI polyurethane ( PU) is used. MOCA is used since 1954 and is since long been suspected to be carcinogenic.
Representation
4,4 ' -methylene-bis (2- chloroaniline) is produced commercially by the reaction of formaldehyde with ortho- chloroaniline. Industrial products, typically contain 90-92 % of 4,4 ' -methylene-bis (2- chloroaniline).