Providing Alpha Lipoic acid Food Grade and Solvent Free Grade..

Alpha Lipoic Acid

Description: Slightly yellow crystal powder almost odorless

Identification:

The retentiontime of the peak for alpha lipoic acid in the chromatogram of the Assay preparationcorresponds to that in the chromatogram of the standard preparation, as obtainedin the Assay.

Melting point: 60oC-62oC

Heavy Metals: 10ppm Max

Loss on Drying: 0.2% Max

Residue on Ignition: 0.1% Max

Specific Rotation: -1.0°+1.0°

Limit of polymer content: 2.0% Max

6,8-Epitrithioctanoic Acid: 0.10% Max

Single Impurity: 0.10% Max

Total Impurities: 0.50% Max

Cyclohexane: 5ppm Max

Ethyl Acetate: 5ppm Max

Toluene: 5ppm Max

Particle Size 100% through 40 mesh Conforms

Loose Bulk Density: 0.270g/ml

Assay: 99%~101%