... Content: 99.0%~101.0% . We can provide other acid, such as Malic acid, Citric acid, Sorbic acid and so on. UpperPharmaceutical Ingredients NameLipoic acid CAS NO.:62-46-4Structural ... on ignition0.10%maxHeavy metals10ppm maxChloride0.07% maxMelting point60-62°CTotal aerobes counts1000 CFU/gMoulds and Yeasts100 CFU/gE.coli ... .30 g/mlUsesAntioxidant,Packing25kg/ carton,5kg/tin, 2tin/box Lipoic acid