National Drugs & Chemicals supplies White to Off White Powder Food Grade Potato Starch. National Drugs & Chemicals offers bulk drugs & contrast media. White to Off White Powder Food Grade Potato Starch is not soluble in water. Food Grade Potato Starch is available in HDPE containers [air tight], with double LD bags and heat sealed. It can be store in dry & clean environment with the lead tightly closed at room temperature.