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

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§5215. 4,4'-Methylenebis(2-Chloroaniline), Appendix A

Appendix A
Physical and Chemical Data
(1) Synonyms:
4,4′-methylenebis(2-chloroaniline) - methylenebis(2-chloroaniline)
p,p′-methylenebis(o-chloroaniline)
methylene-4,4′-bis(o-chloroaniline)
4,4′-methylenebis(2-chlorobenzenamine)
p,p′-methylenebis(o-chlorobenzenamine)
3,3′-dichloro-4,4′-diaminodiphenylmethane
p,p′-methylenebis(alpha-chloroaniline)
di(4-amino-3-chlorophenyl)methane
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)
MBOCA
DACPM
MOCA (R), DuPont
Cyanaset (R), American Cyanamid
Curalon M (R), Uniroyal
Curene 442 (R), Anderson Chemical
Bis-Amine A (R), Wakayama Seiko/Polyester Corp.
CL-MDA
Activator M (R), MVR
Cuamine M, Ihara Chemical
MBK, Kulkman
(2) Identification and General Properties:
Structural formula:
Image 1 within § 5215. 4,4′-Methylenebis (2-Chloroaniline).​
Molecular weight: 267
Specific gravity of solid: 1.44 at 75o (24oC)
Melting range: 212-228oF (100-109oC)
Color: light creamy yellow to light gray tan
Odor: slight
Note: Authority cited: Sections 142.3, 9020, 9030 and 9040, Labor Code. Reference: Sections 142.3, 9004(d), 9009, 9020, 9030, 9031 and 9040, Labor Code.
HISTORY
1. New section and Appendices A-C filed 5-25-79; effective thirtieth day thereafter (Register 79, No. 21).
2. Amendment of subsection (m) filed 3-20-81; effective thirtieth day thereafter (Register 81, No. 12).
3. Editorial correction of subsection (b) filed 3-3-83 (Register 83, No. 10).
4. Change without regulatory effect amending definition of Chief in subsection (b) filed 3-4-92 pursuant to section 100, title 1, California Code of Regulations (Register 92, No. 19).
5. Amendment of subsection (n), repealer of subsections (n)(1)-(3) and amendment of Note filed 7-6-99; operative 8-5-99 (Register 99, No. 28).
6. Change without regulatory effect providing more legible illustration within Appendix A filed 3-2-2009 pursuant to section 100, title 1, California Code of Regulations (Register 2009, No. 10).
7. Amendment filed 5-5-2014; operative 5-6-2014 pursuant to Government Code section 11343.4(b)(3) (Register 2014, No. 19).
8. Editorial correction removing duplicate subsection (j) (Register 2014, No. 31).
9. Editorial correction of subsections (d)(3)(A) and (d)(3)(B) (Register 2016, No. 35).
This database is current through 3/5/21 Register 2021, No. 10

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