Alpha Lipoic Acid,China Seebio price supplier

Product:

Alpha lipoic acid

5-(1,2-dithiolan-3-yl)valeric acid

Grade:

USP 31 grade

Lot :

OK 1005A

Code:

180713

CAS-No:

[62-46-4]

Mol. Formula:

C ₈ H ₁₄ O ₂ S ₂

Mol. Weight:

206.3

Quantity:

25Kg /Drum

Assay

99.0~101.0%

Identification(HPLC)

Meets the requirements

Melting Point

60.0~ 62.0℃

Solubility(1N NaOH)

Clear and pale yellow

Residue on ignition

≤0.10%

Heavy metals

≤10ppm

Chloride

≤0.10%

Loss on drying

≤0.2%

Specific optical rotation

-1.0~+1.0°

Related substances(HPLC)

Single impurity

≤0.1%

6,8-Epitrithiooctanoic acid

≤0.1%

Total impurities

≤0.5%

Polymers(TLC)

≤2.0%

Residual solvents(GC)

Toluene

≤30ppm

Acetic ether

≤250ppm

cyclohexane

≤0.02%

   Acetone

≤500ppm

Microbiology

Total aerobic count (CFU/g)

≤1000

Yeasts & Molds (CFU/g)

≤100

Salmonellas.

Negative

E. Coli

Negative

Appearance

Yellowish crystalline powder