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CAS:5989-81-1
Appearance:White Powder
Storage:Store at RT，2 years
It is used as an analytical reagent, chromatographic analytical reagent, and also for the preparation of biological media.
No smell. It's slightly sweet. "It is stable in air but readily absorbs odors and becomes anhydrous at 120 hours." 1G is soluble in 5ml of water, 2.6ml of boiling water, almost insoluble in ethanol, insoluble in chloroform and ether. The relative density (d20) was 1.53. Melting point 201 ~ 202℃(rapid heat).
Index values of quality inspection items
Burn residue (as sulfate), % ≤0.05
The acidity (as H+)/(mmol/g) was ≤0.04
The specific optical rotation power αm(20℃,D)/{[(°)·m2]/kg} +52.2 ~ +52.8
Water insoluble matter, % ≤0.05
Heavy metals (as Pb), % ≤0.05
Dextrin and starch qualified
Iron (Fe), % ≤0.05
Dry weight loss, % ≤0.5
Clarity test/No. ≤3
Nitrogen compound (N), % ≤0.05
Fat, % ≤0.01
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