This information is provided free of charge by the Department of Industrial Relations from its web site at These regulations are for the convenience of the user and no representation or warranty is made that the information is current or accurate. See full disclaimer at

Subchapter 7. General Industry Safety Orders
Group 16. Control of Hazardous Substances
Article 110. Regulated Carcinogens

Return to index
New query
§5215. 4,4'-Methylenebis(2-Chloroaniline), Appendix A

Appendix A

Physical and Chemical Data

 (1) Synonyms: 









 di(4-amino-3-clorofenil)metano (Italian) 

 3,3'dicloro-4,4'diaminodifenilmetano (Italian) 

 4,4'-metilene-bis-o-cloranilina (Italian) 

 3,3'-dichlor-4,4'-diaminodiphenylmethan (German) 



 MOCA (R), DuPont 

 Cyanaset (R), American Cyanamid 

 Curalon M (R), Uniroyal 

 Curene 442 (R), Anderson Chemical 

 Bis-Amine A (R), Wakayama Seiko/Polyester Corp. 


 Activator M (R), MVR 

 Cuamine M, Ihara Chemical 

 MBK, Kulkman 

 (2) Identification and General Properties: 

 Structural formula: 

 Molecular weight: 267 

 Specific gravity of solid: 1.44 at 75<<degrees>> (24<<degrees>>C) 

 Melting range: 212-228<<degrees>>F (100-109<<degrees>>C) 

 Color: light creamy yellow to light gray tan 

 Odor: slight 

Go BackGo Back to Article 110 Table of Contents