This guide helps doctors monitor the health of workers exposed to 4,4'-Methylene Bis (2Chloroaniline) [MOCA].  

MOCA (CAS 101-14-4) is a light brown to colourless crystalline solid used mainly as a curing agent for isocyanate-based polyurethane products. 

Examples of work with MOCA include: 

• dispensing MOCA powder 

• activity that spatters MOCA in a dry or molten state 

• manual moulding of semi-set polyurethane products. 

This guide is part of a health monitoring guide collection. 

There are health monitoring guides for: 

• persons conducting a business or undertaking (PCBU) 

• workers 

• registered medical practitioners 

• hazardous chemicals.