Alpha Lipoic Acid

Alpha Lipoic AcidItems                                        Specification
Appearance                  Yellow crystalline powder
Solubility                         Freely soluble in ethanol, acetone, ethyl acetate or chloroform, 
                                         very slightly soluble in cyclohexane, practically insoluble in water
Melting Point                  60.0℃～62.0℃
Optical Rotation            -1.0°～+1.0°
Related Substances     Impurity A max. 0.1%
                                         Other individual impurities max. 0.1%
                                         Total impurities max. 2.0%
Impurity B                       max. 0.1%
Loss on Drying               max. 0.2%
Residue on Ignition       < 0.1%
Content                          99.0%~101.0% (dried substance)