(1) The term "dangerous caustic or corrosive substance" means each and all of the acids, alkalis, and substances named below: (A) Hydrochloric acid and any preparation containing free or chemically unneutralized hydrochloric acid (HCl) in a concentration of 10 percent or more; (B) Sulphuric acid and any preparation containing free or chemically unneutralized sulphuric acid (H2SO4) in a concentration of 10 percent or more; (C) Nitric acid or any preparation containing free or chemically unneutralized nitric acid (HNO3) in a concentration of five percent or more; (D) Carbolic acid (C6H5OH), otherwise known as phenol, and any preparation containing carbolic acid in a concentration of five percent or more; (E) Oxalic acid and any preparation containing free or chemically unneutralized oxalic acid (H2C2O4) in a concentration of 10 percent or more; (F) Any salt of oxalic acid and any preparation containing any such salt in a concentration of 10 percent or more; (G) Acetic acid or any preparation containing free or chemically unneutralized acetic acid (HC2H3O2) in a concentration of 20 percent or more; (H) Hypochlorous acid, either free or combined, and any preparation containing the same in a concentration so as to yield ten percent or more by weight of available chlorine, excluding calx chlorinata, bleaching powder, and chloride of lime; (I) Potassium hydroxide and any preparation containing free or chemically unneutralized potassium hydroxide (KOH), including caustic potash and Vienna paste, in a concentration of 10 percent or more; (J) Sodium hydroxide and any preparation containing free or chemically unneutralized sodium hydroxide (NaOH), including caustic soda and lye, in a concentration of 10 percent or more; (K) Silver nitrate, sometimes known as lunar caustic, and any preparation containing silver nitrate (AgNO3) in a concentration of five percent or more, and (L) Ammonia water and any preparation yielding free or chemically uncombined ammonia (NH3), including ammonium hydroxide and "hartshorn," in a concentration of five percent or more.

(2) The term "misbranded parcel, package, or container" means a retail parcel, package, or container of any dangerous caustic or corrosive substance for household use, not bearing a conspicuous, easily legible label or sticker, containing (A) the name of the article; (B) the name and place of business of the manufacturer, packer, seller, or distributor; (C) the word "POISON," running parallel with the main body of reading matter on such label or sticker, on a clear, plain background of a distinctly contrasting color, in uncondensed gothic capital letters, the letters to be not less than 24 point size, unless there is on such label or sticker no other type so large, in which event the type shall be not smaller than the largest type on the label or sticker, and (D) directions for treatment in case of accidental personal injury by the dangerous caustic or corrosive substance.