High Purity Thioctic Acid, Alpha Lipoic Acid

• CAS No.: 1077-28-7
• Formula: C8h14o2s2
• EINECS: 214-071-2
• Packaging Material: Paper
• Storage Method: Normal
• Shelf Life: >12 Months
• Model NO.: DONGFANG
• Nutrient Composition: Vitamin
• Resource: Natural
• The content of active substances: 61%~90%
• Appearance: Light Yellow Powder Crystal
• Application: Rubber and Cosmetic Industry
• Transport Package: 25kg/Drum
• Specification: 99%
• Trademark: DongFang
• Origin: China

Product Description

Description:

 

Product name: Alpha lipoic acid Powder

Grade: Food, Granular, Solvent Free Grade.

Appearance: Slightly yellow crystal powder almost odorless.

Cas No.: 1077-28-7

EINECS: 214-071-2

Molecular formular: C8H14O2S2 

Molecular weight :  206.33

Purity:  99.0-101.0%

Melting point: 58-63ºC

Boiling point: 362.5°C at 760 mmHg

 

Alpha lipoic acid (ALA), also known as Lipoic acid (LA), α-lipoic acid and thioctic acid is an organosulfur compound derived from octanoic acid. ALA is made in animals normally, and is essential for aerobic metabolism. It is also manufactured and is available as a dietary supplement in some countries where it is marketed as an antioxidant.
 

Specification

Product name	Alpha Lipoic Acid	Grade	Food grade
Appearance	Yellow crystalline powder	Test Method	HPLC

ITEMS	SPECIFICATION	METHOD
Appearance	Yellow powder	Organoleptic
Identification	Meets the requirements	HPLC
Melting point	60-62ºC	USP
Specific rotation	-1.0°to +1.0°	USP
Loss on drying	≤0.20%	USP
Residue on ignition	≤0.10%	USP
Heavy metals	≤10ppm	USP
Lead	≤3ppm	USP
Cadmium	≤1ppm	USP
Mercury	≤0.1ppm	USP
Chromatographic purity
Single impurity	≤0.10%	HPLC
Total impurities	≤2.0%	HPLC
Residual Solvent By GC
Cyclohexane	≤1000ppm	GC
Ethyl acetate	≤250ppm	GC
Toluene	≤20ppm	GC
Microbiology
Total Plate Counts	≤1000cfu/g	USP
Moulds and Yeasts	≤100cfu/g	USP
E.Coli and Salmonella	Absence/g	USP
Staphylococcus aureus	Absence/g	USP
Particle size	100% through 20 mesh	USP
Assay	98.5%-101.0%	HPLC

Shipping

Item	Quantity	Arrive time	Method
By Courier	Less than 45Kgs	5-7days	By DHL,FEDEX. More expensive,but it is door to door.
By Air	More than 45Kg	2-5days	Airport to airport. Expensive,but fast.
By Sea	Large quantity	10-35days	Seaport to seaport. Cheaper but longer time