Any person who willfully and maliciously places or throws, or causes to be placed or thrown, upon the person of another, any vitriol, corrosive acid, flammable substance, or caustic chemical of any nature, with the intent to injure the flesh or disfigure the body of that person, is punishable by imprisonment in the state prison for two, three or four years.

As used in this section, “flammable substance” means gasoline, petroleum products, or flammable liquids with a flashpoint of 150 degrees Fahrenheit or less.