Xanthan GumMolecular Formula: (C35H49O29)n CAS No.: 11138-66-2 Appearance: White-like or light-yellow free flowing powder Grade:food grade;pharmaceutical or fine chemical grade; industrial grade; oil drilling or exploitation grade. FCCIV, USP,GB13886-92 standard, Packing: 25kg/drum or kraft bag with PE inner bag Description:Xanthan Gum, which is mainly made from starch,is a high molecular weight polysaccharide produced by fermentation with Xanthomonas Campestris under the conditions of special nutrient medium,pH,O2-supply and temperature,then purified, dried and milled into white-like or light-yellow free-flowing powder.