|
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 |
- |
|
L-(+)-Tartaric acid 
