CAS No: 9067-32-7
MF: C14H22NNaO11
FW: 403.31
Type.: Cosmetic Grade
Sodium hyaluronate ,also known as Hyaluronic acid sodium salt, is a physiologically active substance widely present in the human body. It is a high-molecular-weight linear mucopolysaccharide composed of glucuronic acid and acetaminohexose. It forms a viscous and elastic solution in water, with physiological pH and ionic strength. Produced by fermentation of Lactococcus, it is white or off-white particles or powder with no odor.
Test Items | Specification |
Appearance | White or off-white powder or granules |
Sodium hyaluronate: | 93% min |
Glucuronic acid | 45% min |
Protein | 0.1% max |
PH (0.5% aqueous solution) | 5-8.5 |
Molecular weight | 3000 Da-2.6 million Da |
Loss on drying | 10% max |
Heavy metals (as lead) | 10 ppm max |
Heavy Metal (as Pb) mg/kg | 20 max |