English name:D-Glucurone;D-(+)-Glucuronic acid γ-lactone;D-Glucurono-6,3-lactone;D(+)-Glucurono-3,6-lactone
Specific rotation:+18.0~+20.0°
Melting point:170~176℃
Properties (the following information is for reference only): white crystalline or granular powder, soluble in water, 80% of lactone is converted to glucuronic acid after 2 months of storage of the aqueous solution. When heated to 100 ℃, 60% of the ester and 40% of the acid reach an equilibrium state within 2 hours. Slightly soluble in methanol, slightly soluble in ethanol. See the light darkens. It is odorless and slightly bitter. Density: 1.76.