D(-)-TARTARIC
ACID
SYNONYM: (S,S)-D(-)-DIHYDROXY SUCCINIE ACID
FORMULA: C4H6O6
M. W.: 150.09
CAS NO.: 87-69-4
DESCRIPTION: WHITE CRYSTALLINE POWDER OR WHITE CRYSTAL
SPECIFICATIONS:
|
ASSAY: |
99.0%
MIN |
|
SPECIFIC
ROTATION [Α]D20℃ |
-11.8°
～-12.8° |
|
HEAVY
METALS [AS PB] |
10mg/kg
MAX |
|
LOSS ON DRYING |
0.5% MAX |
|
SULFATE |
0.05%
MAX |
|
MELTING POINT: |
166℃-169℃ |
USES: IT
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.
PACKING: 25KG NET IN KRAFT PAPER
BAG
STORAGE: KEPT AIRTIGHTLY IN A LIGHT-PROOF, DRY AND COOL PLACE.