α-Lactose Monohydrate;4-O-β-D-Galactopyranos

No odor. Slightly sweet. Stable in the air, but easily absorbs odors and becomes anhydrous at 120 degrees Celsius. 1G is soluble in 5ml of water and 2.6ml of boiling water, almost insoluble in ethanol, and insoluble in chloroform and ether. Relative density (d20) 1.53. Melting point: 201-202 ℃ (rapid heating).Quality inspection project indicator values