1. Peroxide Formers

2. Keep away from light Test for peroxides prior to distillation for Class B Purchase with inhibitor for Class C compounds Minimize exposure to O 2, except in presence of inhibitor Keep diethyl ether in steel cans b/c iron is peroxide inhibitor Record Date of Receipt Record Date of Opening

3. Class A – High Hazard Class B – Concentration Peroxides Class C – Autopolymerizers 3 months 12 months or 24 hours without inhibitor 6 months AFTER OPENING AFTER RECEIVING

4. Class A – High Hazard Class B – Concentration Peroxides Class C – Autopolymerizers Isopropyl Ether Diethyl Ether THF Isopropanol Butadiene Styrene Vinyl Chloride Complete list and more information can be found at : Information on Peroxide-Forming Compounds from Stanford University