Magnesium sulfate anhydrous powder USP is a white crystalline substance that is commonly used in various industries such as, agriculture,and food processing. It is primarily used as a fertilizer to provide essential nutrients to plants, as well as a laxative and anticonvulsant in medicine. Additionally, it is used in the production of paper, textiles, and ceramics. Its versatility and effectiveness make it a valuable product in many applications. It is also the raw material for a common personal care product called Epsom salts. Magnesium sulfate anhydrous is also used in brewing salt for beer and in electrolyte treatments for the medical industry. It is also used as a catalyst in pharmaceutical preparations, and as a desiccant in organic synthesis. U.S.P. A chemical grade of sufficient purity to meet or exceed requirements of the U.S. Pharmacopeia (USP); acceptable for food, drug, or medicinal use; may be used for most laboratory purposes. Sales Specification Appearance: A white powder Assay: 98.00 % â?? 100.00 % Identification: It gives the reactions of sulfates and magnesium Appearance of solution: Clear and colorless Chloride: â?¤ 0.001 % Iron Salt: â?¤ 0.0015 % Heavy Metal: â?¤ 0.0001 % Arsenic Salt: â?¤ 0.0002 % MgO assay: â?¥ 27.00 % Magnesium assay: â?¥ 19.00 % Complies with the standard of USP 40 Packing 50 lb paper bag 40 bags per pallet