Product Name : Manganese DTPA (Diethylene Triamine Penta Acetic Acid) Other Names : DTPA Manganese chelate / DTPA Manganese / Chelated Manganese DTPA Physical form : Liquid CAS Nos. : 15375-84-5 Color : Dark Brown pH (1% solution) : 6.5 - 7.5 Active Ingredient : 5.5 % as Mn