GA
Main Application: Used for the synthesis of medical-grade Polyglycolide (PGA) or copolymers such as Poly(lactic-co-glycolic acid) (PLGA).
Physicochemical Properties: Easily soluble in chloroform and ethanol, insoluble in water; prone to hydrolysis and polymerization; should be preserved at low temperature.
Product Specifications:
- Molecular Structure: Molecular Formula C4H4O4
- Appearance: White needle-like crystals
| Item | Unit | Standard | Result |
|---|---|---|---|
| Appearance | - | White crystalline solid | White crystalline solid |
| Assay | % | ≥ 99.5 | 99.52 |
| Moisture | % | ≤ 0.02 | 0.01 |
| Melting Point | ℃ | 82 - 87 | 82.76 |
| Free Acid | meq/kg | ≤ 5.00 | 0.23 |
| Heavy Metals (as Pb) | ppm | ≤ 10 | Pass |
| Residual Solvents | ppm | ≤ 0.5 | Pass |
