alpha lipoic acid    
CAS: 1077-28-7
Molecular Formula: C8H14O2S2
Molecular Weight: 206.33
Assay (HPLC) >99.0%
Density: 160
Melting point: 60-63
Boiling point: 160-165
Description: Slightly yellow crystal powder
Package: 25kg/drum
Storage: Refrigerate in a dry place.
Shelf life: 4 years when properly stored.