... well-closed containers, protected from light Folic acid is a water-soluble vitamin, which is vulnerable to ultraviolet radiation. So ... our food supply. Properties: A yellow or orange yellow crystalline powder, odourless and tasteless,insoluble in water, ethanol, acetone, chloroform ... drug,also used as food additivesPacking: 25KG/CartonStorage: in a cool, dry place and well-closed containers, protected ...