DIETHYL D-TARTRATE 98.5%

 

DIETHYL D-TARTRATE

 

SYNONYM: (2S,3S)(-)-DIHYDROXYBUTANE-1,4-DIOIC ACID DIETHYL ESTER;

(-)-DIETHYL-2,3-DIHYDROXYSUCCINATE; (-)-DIETHYL D-TARTRATE;

 

FORMULA: C8H14O6

 

M. W. : 206.19

 

CAS NO.: 13811-71-7

 

DESCRIPTION: VISCOUS COLORLESS TO FAINT YELLOW LIQUID

 

SPECIFICATIONS:

ASSAY

98.5% MIN

OPTICAL PURITY (e.e%)

99.0% MIN (CHIRAL GC)

OPTICAL ROTATION[α]20℃D

-7.5O- -8.5O (NEAT)

COLOR TEST

100APHA MAX

ACIDITY (KOH mg/g)

1.0 MAX

WATER

0.5% MAX

 

USES: IT IS MAINLY USED IN CHIRAL PHARMACEUTICALS, CHIRAL INTERMEDIATES AND CHIRAL CATALYSTS. IT CAN BE USED WITH TITANIUM IN ENOLIC ASYMMETRIC EPOXIDIZATION. THE COMPOUND D-ALPHA-TOCOPHEROL IS THE PRINCIPAL COMPOUND PRESENT IN NATURAL VITAMIN E SOURCES. AT PRESENT, D-ALPHA-TOCOPHEROL AND OTHER TOCOPHEROL DERIVATIVES ARE USED IN PHARMACEUTICALS, FOODS AND ANIMAL FEEDS.

 

PACKING:   25KGS OR 200KGS DRUM OR ACCORDING TO CUSTOMER REQUIREMENT.