D-Mannitol

Colorless to white acicular or rhombic columnar crystals or crystalline powders. Odorless, with cool and sweet taste. The sweetness is about *7% - *2% of sucrose. It produces 8.*7j of heat per gram, about half of that of glucose. It contains a small amount of sorbitol. The relative density was 1.*9. The optical rotation [α] D*0 & ordm; - 0.*0 & ordm; (*0% aqueous solution). Hygroscopicity is very small. The aqueous solution is stable. It is stable to dilute acid and alkali. It is not oxidized by oxygen in the air. Soluble in water (5.6g/**0ml, *0 ℃) and glycerin (5.5G / **0ml). It is slightly soluble in ethanol (1.2g / **0ml). Soluble in hot ethanol. It is almost insoluble in most other commonly used organic solvents. The pH value of *0% aqueous solution is 5.5 ~ 6.5.