MOCA-WH Chemical Name: 4.4- methylene- bis- (ortho-chloroaniline) CAS No: 101-14-4 Applications: Curing agent for polyurethane elastomers and cast polyurethanes.Curing agent for epoxy urethane resin. Moca- WH is used for PU product that requirs high hardness and wearability with light color.