Property: white crystal powder, odorless; specific gravity: 1.585; melting point: 154-158í+; specific optical rotation: [Ñß] 20D (C=5, H2O, 24h) 100¿¼-104¿¼. Boiling point (í+): 160í+. It is soluble in water, slightly soluble in ethanol, insoluble in ether, methanol and acetone. One portion of L- arabinose can be dissolved in 48 portions of 90% ethanol at 12í+. Crystal product: 6g/bag, 120g/bag, 1kg/bag, 25kg/carton barrel. Liquid product: 30kg/plastic barrel, 200kg/plastic barrel.