D-Tartaric acid CAS NO 147-71-7

Yonkong

説明

It is mainly used as sour agent, biochemical reagents, racemic materials splitting agent,
medicine splitting agent of beverage, sugar, bread, gelatin.
Besides it can also be used as splitting agent, salt and ester of photography,
can-making, printing, dyeing, and ceramics.

CAS NO : 147-71-7
EC NO : 205-695-6
Molecular Formula : C4H6O6
Synonyms : D(-)-Dihydroxysuccinic acid;Unnatural tartaric acid;
D-(-)-Tartaric acid;(2S,3S)-D-(-)-tartaric acid;D(-)Tartaric acid;
D(-)-Threaric acid;D-Tartaric acid;D-2,3-Dihydroxysuccinic acid;(2S,3S)-2,3-dihydroxybutanedioate;

Pharma Grade:

Item Index
Apperance White crystals powder
Specific Rotation [alpha/20/D] -12.0 to -12.5
Loss on drying Not more than 0.5%
Residue on lenition Not more than 0.1%
Heavy Metals (pb) Not more than 0.001%
Oxalate Under Limit
Assay Not less than 99%

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