Content: 99.0%~101.0% . We can provide other acid, such as Malic acid, Citric acid, Sorbic acid and so on.

Upper	Pharmaceutical Ingredients
Name	Lipoic acid
CAS NO.: 62-46-4 Structural Formula:  Chemical Formula: C8H14O2S2 Molecular Weight: 206.33  SPECIFICATIONS  Item Specification Appearance Slightly yellow crystal powder Almost odorless Assay 99.0%~101.0% Specific rotation -1.0°to +1.0° Limit of polymer content 2.0% max Loss on drying 0.50%max Residue on ignition 0.10%max Heavy metals 10ppm max Chloride 0.07% max Melting point 60-62°C Total aerobes counts 1000 CFU/g Moulds and Yeasts 100 CFU/g E.coli/Salmonella Negative /g Staphylococcus aureate Negative/g Particle Size 100% through 20 mesh, 20% max through 100 mesh Bulk Density 0.30 g/ml Uses Antioxidant, Packing 25kg/ carton,5kg/tin, 2tin/box

Lipoic acid