| ≥1 piece |
Alias name: hydrolyzed lactose; English name: d-galactose Galactose; Lactoglucose; Dextrogalactose
Molecular formula: C 5 H 11 O 5 CHO; Molecular weight: 180.16.
Galactose is a colorless crystal, and α-galactose is a colorless column crystal; Melting point 118-120 (monohydrate); specific rotation 150.7°-80.2° (in water); β- galactose is white anhydrous crystal. Melting point: 165-167, specific rotation 52.8°-80.2°; soluble in water and pyridine, slightly soluble in ethanol and glycerine.
Galactose has reducibility, with mutarotation, and specific rotation is 83.3° in balance. It can form a monosaccharide with glucose, with right optical activity??êCA number: 59-23-4;