1.Name: Magnesium Carbonate / Food Additive 2.MF: MgCO3 3.CAS No.: 13717-00-5 ... in the manufacture of magnesium, magnesium oxide, fireproof, paint, ink, pottery, glass,toothpaste, rubber, pigment, dately used product industry, also as food additive and ... anti-acid agent in pharmaceutical industry, as high-quality filler and reinforcement agent of rubber products, as ...