MOCA (CAS 101-14-4) is a light brown to colourless crystalline solid that has been primarily used as a curing agent for isocyanate-based polyurethane products.
Examples of work activities involving MOCA that require special attention when assessing exposure include:
- dispensing MOCA powder
- processes where spattering of MOCA in the dry or molten state occurs
- manual moulding of semi-set polyurethane products
This guide provides information for those registered medical practitioners engaged by a PCBU to carry out or supervise health monitoring for workers. This guidance should be read in conjunction with the following: