Complaint
| Product name: 3-O-Ethyl-L-ascorbic acid |
| Other Name:3-O-Ethyl Ascorbyl Ether,L-Ascorbicacid, 3-O-ethyl-;(5R)-5-[(1S)-1,2-Dihydroxyethyl]-4-ethoxy-3-hydroxy-5H-furan-2-one; |
| Appearance:White Powder |
| CAS:86404-04-8 |
| M.F.:C8H12O6 |
| M.W.:204.18 |
| Specification:99% |
3-O-ethyl-L-Ascorbic Acid is a lipophilic and amphoteric vitamin C derivative, which not only makes it extremely convenient to use in the formula, but also makes it easier to penetrate the stratum corneum into the dermis, and it is easy to be absorbed after entering the skin Biological enzymes break down to play the role of vitamin C, thereby improving its bioavailability.
Compare with vitamin C, it's more easier to be absorbed and more stable.
Related Product
| ITEM | SPECIFICATION | RESULT | METHOD |
| Appearance | White powder, neutral odor, highly hygroscopic | Conforms | Visual |
| Identification | Standard solution and test solution same spot,RF | Conforms | TLC |
| Specific Optical | -2.4°~ -2.8° | -2.72° | |
| Heavy metals (as PB) | ≤10ppm | Conforms | AAS |
| Sulfate (SO4) | ≤0.02% | Conforms | Colorimetry |
| Chloride (Cl) | ≤0.02% | Conforms | Colorimetry |
| Phosphate Ion (P) | ≤5ppm | Conforms | Colorimetry |
| Residual solvent(ethanol) | ≤1.0% | Conforms | HS-GC |
| pH | 4.5~7.0 | 5.10 | |
| Related substance | Spot not bigger than standard solution spot | No spot | TLC |
| Water Content | ≤2% | 0.26% | KF |
| Assay (dried basis) | 98.0%--102.0% | 99.48% | Potentiometric titration |
| Assay (dried basis) | 98.5%--100% | 99.2% | HPLC |
Function:
