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Alpha Lipoic Acid Cas 1077-28-7

Alpha Lipoic Acid Cas 1077-28-7

Chemical Name: DL-Thioctic acid

Other Name: Alpha lipoic acid; α-Lipoic Acid; DL-alpha-Lipoic Acid

CAS No.: 1077-28-7

Molecular Fomula: C8H14O2S2

Chemical Structure:DL-Thioctic acid Structure

Molecular weight: 206.33

Appearance: yellow crystal powder, no foreign substance, no obvious odor

Assay: 99%

Alpha lipoic acid Typical Properties

Items Specifications Results Method
Appearance Slightly yellow crystal powder Conforms Organoleptic
Identification Meets the requirements Conforms HPLC
Melting Point 60～62℃ 61.8℃ USP
Specific Rotation －1.0˚ to + 1.0˚ 0˚ USP
Loss on drying ≤0.20% 0.12% USP
Residue on Ignition ≤0.10% 0.02% USP
Heavy Metals ≤10 ppm ＜10 ppm USP
Lead ≤3 ppm 0.02 ppm USP
Cadmium ≤1 ppm 0.2 ppm USP
Mercury ≤0.1 ppm 0.01ppm USP
Chromatographic purity
Single Impurity ≤0.10% 0.04% HPLC
Total Impurities ≤2.0% 0.08% HPLC
Limit of Polymer content Conforms Conforms TLC
Residual Solvent By GC
Cyclohexane ≤1000 ppm 754 ppm GC
Ethyl Acetate ≤250 ppm 61 ppm GC
Toluol ≤20 ppm Not Detectable GC
Total plate Counts ≤1000 cfu/g ＜10 cfu/g USP
Moulds and Yeasts ≤100 cfu/g ＜10 cfu/g USP
E.Coli / Salmonella Absence/g Not Detectable USP
Staphylococcus Aureate Absence/g Not Detectable USP
Particle Size 100% through 40 mesh Conforms USP
Loose Bulk Density 0.36g/ml USP
Assay 99%~101% 99.1% HPLC
Conclusion: Conformed USP41 STANDARD

Alpha lipoic acid Usage

DL-Thioctic acid is widely used for diabetic neuropathy complication medicine and dietary supplements.

Alpha lipoic acid Packaging and Shipping

Packing:25kg/drum

Delivery: by sea/by air

Alpha lipoic acid Storage

This product must be stored in a cool, dry, and sealed container or tank and seal away from light. Storage warehouse must be regularly clearance, ventilate and inspection, be low temperature and dry.

 

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