Chemikalien CAS526-83-0 99% D (-) - Weinsäure

White crystalline powder or white crystal

Chemical Name

2S,3S-Dihydroxy Succinic acid

Molecular Formula

C₄H₆O₆

Structural Formula

Molecular Weight

150.09

SPECIFICATION
(FCCIV,1996)

99.0% Min

Heavy Metals (as Pb)

Qualified

Specific Rotation

-11.8~-12.8

Residue on Ignition

0.1% Max

Arsenic

D(-)-tartaric acid is an important chiral pool of 4 carbon atoms. With the rapid development of chiral pharmaceuticals, chiral additives and chiral auxiliaries, D(-)-tartaric acid is more and more widely used in pharmaceuticals and food industry. It is also used as chiral pool or resolving agent for chiral synthesis. 
When D(-)-tartaric acid or its derivatives is used to resolve amino acid, it has some advantages such as high reaction speed, high resolution ratio, and during the period of resolution, the dynamic process can be controlled and can oblige the amino acid to transform to the target configuration. So the yield always reaches 80%. Furthermore, D(-)-tartaric acid is easy to retrieve after resolution. The optical purity of the product is high and e.e% value can reach 99.9%.
In addition, D(-)-tartaric acid has also been widely used in synthesizing and manufacturing many kinds of chiral food additives including the resolution of a new functional nutriment -- L-carnitine, and some chiral pharmaceuticals.

25kg net weight in Cardboard Drum or according to customer requirements

Kept in a light-proof, well-closed, dry and cool place.