【Tartaric acid】

L-(+)-Tartaric acid

Chemical Name : (2R, 3R)-2,3-dihydroxy butane-1.4-dioic acid

Structural Formula :

Molecular formula : C4H6O6

Molecular weight : 150.1

Description : Coloress or white crystalline. Odorless, acdic taste. Very soluble in water and alcohol, insoluble in chloroform.

Uses : In the medical industry, as medicine intermediate, resolution agent and its derivant, etc. In the food industry, as acidic taste agent of drink, sweetmeats and jam food. In the chemical industry, serve as produce tartrate and ester. Also as shelter agent of metal ion. In the spinning industry, as resist of printing and dyeing , etc.

Packing : In paper board or fibber board drum, or polypropylene bag, lined with complex bags of 25kgs net.

Storage : Kepp in the clear and dry storage shed.

Specifications :

 

 

ITEMS

BP98

(IV)FCC

Clarity ad color solution

Up to standard

-

Specific optical rotation(C=20,) [a]D20

+12 ° - +12.8 °

+12.0 ° - +13.0 °

Assay % ≥

99.5-101.0

99.7-100.5

Loss on drying % ≤

0.2

0.5

Heavy metals %≤

0.001

0.001

Sulphated ash %≤

0.1

0.05

Oxalate

0.035

Up to standard

Sulphate

0.015

Up to standard

Chlorides (Cl)% ≤

0.01

-

Calcium (Ca)%≤

0.02

-

 
 
 
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