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Brand:
AECOCHEMCAS NO.:
1077-28-7Product Name:
DL-Thioctic acidSynonyms:
DL-alpha-Lipoic acid; DL-6,8-Dithiooctanoic acid; 5-(Dithiolan-3-yl)valeric acidMolecular Formula:
C8H14O2S2MW:
206.32Packaging:
10kg/fiber drumWelcome to buy DL-Thioctic acid CAS 1077-28-7 from AECOCHEM,which would be your reliable partner in China.AECOCHEM is a professional chemical supplier.If you are interest in DL-Thioctic acid or want to purchase from China, please send E-mail to sales@aecochemical.com.
Identification:
Product Name: DL-Thioctic acid
CAS: 1077-28-7
Synonyms: DL-alpha-Lipoic acid; DL-6,8-Dithiooctanoic acid; 5-(Dithiolan-3-yl)valeric acid
Molecular Formula: C8H14O2S2
Molecular Weight: 206.32
EINECS: 214-071-2
Properties：
Melting point: 60-62 °C
Boiling point: 160-165 °C(lit.)
density: 1.2888 (rough estimate)
refractive index: 1.5200 (estimate)
Fp: 160-165°C
storage temp.: 2-8°C
solubility:
ethanol: 50 mg/mL
form: Crystals or Crystalline Powder
color: Yellow
Water Solubility: 0.9 g/L (20 ºC)
Stability: Stable. Incompatible with strong oxidizing agents.
Specification:
Character: The product should be yellow crystalline powder, have a bad smell.
Melting point: 60℃-62℃
Identification:
Chemistry reaction, should be positive reaction
UV spectrophotometry, should comply
By IR absorption, to match with the working standard.
Related substances: For chromatograms of the test solution, if there are impurity peaks (excluding solvent peaks), the impurity a peak area with a relative
retention time of about 2.1 multiplied by the correction factor 0.6 should not be larger than the main peak area of the control solution (0.10%)
The single peak area due to impurities should not be greater than the principal peak area of the reference solution (0.10%)
The sum of area of all impurity peaks in the chromatogram obtained with the test solution should not be greater than the area of the principal
peak in the chromatogram obtained with the reference solution (0.30%)
Clarity and color of solution: In case of color development, it shall not be deeper than the yellow-green no. 5 standard color liquor.
Loss on drying: 0.2% max
Residue on ignition: 0.1% max
Heavy metals: 10ppm max
Chloride: 0.04% max
Sulfate: 0.04% max
Residual solvent:
Ethyl acetate≤0.5% (g/g)
Cyclohexane≤0.388% (g/g)
Toluene≤0.089% (g/g)
Impurity B: The spots of impurity B in the test solution should not be deeper than those in the control solution (1.0%).
Microbial contamination: TAMC not more than 100CFU/g
Bacterial endotoxins: 0.25E/mg max
Assay (calculated on the dried basis): 99.0% min
Product Package:
net weight 10kg per fiber drum
Product Storage:
Put in a sealed, dry and ventilated place, Guard Against Fire.
Application:
1.thioctic acid is also known as alpha lipoic acid. It is an anti-oxidant.
2.A fat-metabolism stimulator
Some photos of shipment:
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