Acids found in batteries are corrosive. Toxic poisonous to people and other organisms. Toxic substances can cause illness ranging from severe headaches to cancer and even death if swallowed, and many also can be absorbed through the skin. Pesticides, weed killers, and many household cleaners are toxics. Ignitable capable of bursting into flames.
Ignitable substances pose a fire hazard and irritate the skin, eyes, and lungs.
They also may give off harmful vapors. Gasoline, paint, and furniture polish are ignitable substances. Reactive capable of exploding or releasing poisonous gas when mixed with another substance or chemical. For example, chlorine bleach and ammonia are reactive. When they come into contact with each other they produce a poisonous gas.