Lets not pretend that Toluene is without health concerns. It's a volatile organic solvent with health concerns. Toluene has a NFPA Hazard ID of: Health: 2 Flam

Lets not pretend that Toluene is without health concerns. It's a volatile organic solvent with health concerns. Toluene has a NFPA Hazard ID of: Health: 2 Flammability: 3 Reactivity: 0 Perchloroethylene has a NFPA Hazard ID of: HEALTH=3 FIRE=0 REACTIVITY=0 Either way these are nasty substances.