If any person shall, of malice aforethought, knowingly and willfully throw or cause to be thrown upon another person any corrosive acid or alkali with intent to murder, maim or disfigure and inflicts serious injury not resulting in death, he shall be punished as a Class E felon. (1963, c. 354; 1979, c. 760, s. 5; 1979, 2nd Sess., c. 1316, s. 47; 1981, c. 63, s. 1, c. 179, s. 14; 1993, c. 539, s. 1136; 1994, Ex. Sess., c. 24, s. 14(c).)