R-(+)-Alpha Lipoic Acid Description: A pale yellow crystal with a characteristicodor, tastelessIdentification: Meets the requirementsMelting point: 46-49oCCyclohexane: 0.388% MaxSpecific Optical Rotation(C=1,Ethanol): +110 +120°Loss on Drying: 0.5% MaxResidue on Ignition: 0.1% MaxHeavy Metals: 10ppm MaxAssay: 99.00% Min.(by HPLC) KEEP IT BELOW 25, DO NOT BE INSOLATED.