Alpha Lipoic Acid (THIOCTIC Acid)
 CAS#:
1077-28-7
Molecular Formula:
C8H14O2S2
Molecular Weight: 206.33
Structural Formular:
Uses: Medicine of vitamin;Acute
and chronic hepatitis, cirrhosis, hepatic coma, fatty liver, etc.
Character: Slightly
yellow crystal or powder; Almost odorless, It dissolves difficult
in water, but easily in alcohol, ether, and chloroform.
Notification: It should
be stored in ventilated and dry storehouses, It must be noted
that the product guards against damp and keeps in dark place.
Packing: 5kg or 25kgs
Packed by cardboard buckets lined with polyethylene bag inside.
ITEMS |
SPECIFICATIONS |
Appearance |
Slightly yellow crystal powder Almost odorless |
Identification |
The retention time of the peak for alpha lipoic acid in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the standard preparation,as obtained in the Assay。 |
Solubility(In NaOH) |
Clear and pale yellow |
Melting Point |
60~62℃ |
Heavy Metals |
10ppm max |
Loss on drying |
0.20% max |
Residue on Ignition |
0.10% max |
Chloride |
0.07% max |
Specific rotation |
-1.0°to +1.0° |
Limit of polymer content |
2.0% max |
| Related Substance By HPLC |
6.8-Epitrithlooctanolic acid(EPI) |
0.10% max |
Single Impurity |
0.10% max |
Total Imurities |
0.50% max |
| Residual Slovene By GC |
Cyclohexane |
500ppm max |
Ethyl Acetate |
250ppm max |
Toluene |
20ppm max |
Total aerobes counts |
1000 CFU/g |
Moulds and Yeasts |
100 CFU/g |
E.coli/Salmonella |
Absence/g |
Staphylococcus aureate |
Absence/g |
Particle Size |
100% through 20 mesh
20% max. through 100 mesh |
Bulk Density |
0.30 g/ml |
Assay |
99%~101% |
|
