Sodium Hyaluronate
GRADE：Cosmetic Grade
PRODUCT NAME：Sodium Hyaluronate
Molecular formula：(C14H20NO11Na)n
Appearance：White powder or granules
Molecular Weight： Intermediate Molecular Weight Sodium Hyaluronate： 800KDa-1800KDa
1200KDa Soudim Hyaluronate is very popular in the market among them
Oligo Molecular Weight Sodium Hyaluronate： 2000-5000(2KDa-5KDa)
Low Molecular Weight Sodium Hyaluronate：10KDa-20KDa，20KDa-200KDa，
200KDa-400KDa，400KDa-600KDa
High Molecular Weight Sodium Hyaluronate)：1800KDa-2200KDa
Test Items | Requirements |
Appearance | White powder or granules |
Infrared Absorption | The infrared absorption spectrum should be consistent with the control spectrum |
Sodium salt identification reaction | Should show the positive reaction of sodium salt |
Glucuronic acid content (%) | ≥45.0 |
Sodium hyaluronate content (%) | ≥92.0 |
Average molecular weight (KDa) | Measured values |
absorbance | ≤0.25 |
Transparency（%） | ≥99.0 |
Dry weight loss (%) | ≤10.0 |
pH(5mg/ml,Water Solution，25℃） | 5.0-8.5 |
Heavy metal (in lead，mg/kg） | ≤20 |
Protein content (%) | ≤0.10 |
Total Colony Number (CFU/g) | ≤100 |
Fungi and yeasts (CFU/g) | ≤50 |
Staphylococcus Aureus | Negative |
Pseudomonas Aeruginosas | Negative |
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