Description
Technical Parameters
Product Brief Introduction
Product name: Hyaluronic Acid (Cosmetic Grade)
CAS: 9004-61-9
MF: (C16H27NO11)n
Product Specification
|
Appearance |
White powder or granules |
|
Average Molecular Weight |
Measured value (80% -120% of labeled quantity) |
|
Transmittance |
≥ 99.0% |
|
PH (5mg/ml, aqueous solution, 25℃) |
3.0 ~ 5.0 |
|
Loss on Drying |
≤ 10.0% |
|
Ash |
≤ 5.0% |
|
Protein |
≤ 0.1% |
|
Heavy Metals (as Pb) |
≤ 20ppm |
|
Total Plate Count |
≤ 100cfu/g |
|
Yeasts & Molds |
≤ 50cfu/g |
|
Staphylococcus Aureus |
Negative |
|
Pseudomonas Aeruginosa |
Negative |
|
Glucuronic Acid |
≥ 45.0% |
|
Assay |
≥ 92.0% |
