Alpha Lipoic Acid CAS 1077-28-7 Haihang Industry

• CAS No.: 1077-28-7
• Formula: C8h14o2s2
• EINECS: 214-071-2
• Type: Pharmaceutical Intermediates
• Appearance: Powder
• Quality: Refined
• Model NO.: HHPWL
• Colour: Yellow
• Transport Package: 25kg/Drum
• Specification: 25kg/drum
• Trademark: Haihang Industry
• Origin: Shandong, China

Product Description

Product Description

Alpha lipoic acid Quick Details

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

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	60~62ºC	61.8ºC	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
Molds 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 sealed away from light. Storage warehouse must be regularly cleared, ventilated, and inspected, be low temperature, and dry.