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	-7.5^O- -8.5^O (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.