[ID] 23 [Sculpture Tech] Organic Peroxides [Other Hazards] Highly flammable & explosive; MEK peroxide causes blindness [Precautions] Don't store peroxide in glass container; don't store large amounts; don't add accelerator to peroxide or acetone to MEK peroxide; don't heat; do soak tools/containers in water before disposal [Skin Contact Haz] 
Cumene hydroperoxide moderately toxic; benzoyl peroxide slightly toxic