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byname: Left-hand tartaric
Acid, rare tartaric Acid
scientific name: D (1)-threo-2,3-dihydroxy
succinic acid
1.Properties: 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.
2.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.
3.Packing and storage: Pack it
in 25 kg fiber paperboard pail and store it in ventilated, dry places.
4.Standard:
| 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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