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.
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Product name
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Alpha Lipoic Acid
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Grade
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Food grade
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Appearance
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Yellow crystalline powder
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Test Method
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HPLC
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ITEMS
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SPECIFICATION
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METHOD
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Appearance
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Yellow powder
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Organoleptic
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Identification
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Meets the requirements
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HPLC
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Melting point
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60-62ºC
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USP
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Specific rotation
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-1.0°to +1.0°
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USP
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Loss on drying
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≤0.20%
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USP
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Residue on ignition
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≤0.10%
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USP
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Heavy metals
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≤10ppm
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USP
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Lead
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≤3ppm
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USP
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Cadmium
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≤1ppm
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USP
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Mercury
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≤0.1ppm
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USP
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Chromatographic purity
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Single impurity
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≤0.10%
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HPLC
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Total impurities
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≤2.0%
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HPLC
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Residual Solvent By GC
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Cyclohexane
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≤1000ppm
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GC
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Ethyl acetate
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≤250ppm
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GC
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Toluene
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≤20ppm
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GC
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Microbiology
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Total Plate Counts
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≤1000cfu/g
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USP
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Moulds and Yeasts
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≤100cfu/g
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USP
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E.Coli and Salmonella
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Absence/g
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USP
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Staphylococcus aureus
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Absence/g
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USP
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Particle size
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100% through 20 mesh
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USP
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Assay
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98.5%-101.0%
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HPLC
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Item
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Quantity
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Arrive time
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Method
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By Courier
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Less than 45Kgs
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5-7days
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By DHL,FEDEX.
More expensive,but it is door to door. |
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By Air
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More than 45Kg
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2-5days
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Airport to airport.
Expensive,but fast. |
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By Sea
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Large quantity
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10-35days
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Seaport to seaport.
Cheaper but longer time |