【Scientific Name】D(1)-threo-2,3-dihydroxy succinic acid
【Molecular Formula】C₄H₆O₆
【Structural Formula】

【Molecular Weigh】150.1
【CAS Number】147-71-7
【Character】Colorless, without smell, crystal, or white powder, with strong smell, left hand, lustrous; Specific gravity is D204=1.76; It is soluble in water,alcohol,and diethyl ether.

【Specifications】Enterprise Standard(Pharm 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%

【Uses】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.
【Packing】25kg paperboard drum