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).

CAS registry number PubChem Dangerous Substances Directive (67/548/EEC) Rat Rabbit Digital Object Identifier
8523
de