By crotonaldehyde and acetone in the role of catalyst, reaction around at 0 ℃.
Categorical toxic substance
Toxicity grade poisoning
Acute toxicity oral - rat LD50:7360 mg/kg;
Oral - mouse LD50:3,200 mg/kg
Stimulate the data skin - the rabbit 1 milligram is heavy
Flammable hazard properties can be flammable, and the fire field is expelled from the fire to stimulate the smoke