These COD reagent test tubes, with a range of 0 to 2000mg/L, are ideal for use in most laboratory and scientific environments where measuring COD. Brand: Palintest™ PL454. Code : 04. Additional Details : CAS Number : 7664-93-9 Weight : 0.54500kg Transport : UN number : 3264 Chem class : 8 Pack group : II. View more versions of this product.