Specification Sheet
Product Name
(±)-α-Lipoic acid ≥98.0%
Product Number
62320
Product Brand
sigma
CAS Number
1077-28-7
Molecular Weight
206.33
Test | Specification |
|---|---|
| APPEARANCE (COLOR) | White to Light Yellow |
| APPEARANCE (FORM) | Powder or Crystals |
| PURITY (HPLC AREA %) | ≥ 98.0 % |
| MELTING POINT | 60 - 62 C |
| SOLUBILITY (COLOR) | Yellow to Very Dark Yellow and Green-Yellow to Very Dark Green-Yellow |
| SOLUBILITY (TURBIDITY) | Clear to Very Slightly Hazy |
| SOLUBILITY (METHOD) | 1G IN 10ML METHANOL |
| LOSS ON DRYING | ≤ 0.2 % |
| RESIDUE ON IGNITION | ≤ 0.1 % |
| INFRARED SPECTRUM | CONFORMS TO STRUCTURE |