What is it? 
BIS-EMA is a methacrylate with an epoxy component. It is derived from Bisphenol A. 

How do I avoid it? You should avoid any contact with this substance. Avoidance requires reading labels, package inserts, Material Safety Data Sheets (MSDS) and, on occasion, direct communication with the manufacturer.

 Uses:
• Adhesive products 
• Dental restorative composite materials 

Other names for BIS-EMA: 
• 2,2 bis(4-(2-methacryloxyethoxy)phenyl)propane 

Potential cross-reacting/co-reacting substances: 
• Bisphenol A

How safe is it?

Hang tight. We're thinking.