Zinc Metal, 5 in. x 0.25 in. x 0.25 in., Sticks, Reagent is a metallic chemical element with the atomic number of 30. It is most commonly used as an anti-corrosion agent for iron or steel through the process of galvanization. Other primary uses include the starting material for the preparation of other zinc compounds like zinc oxide, zinc chloride, zinc sulfide which touch a variety of uses such as dietary supplements, topical pharma products and metal alloy products. The Reagent grade denotes that this chemical is the highest quality commercially available and that the American Chemical Society has not officially set any specifications for this material. Spectrum Chemical manufactured Reagent grade products meet the toughest regulatory standards for quality and purity.