Description
Technical Parameters
Product Brief Introduction
Product name: Sodium Hyaluronate (Food Grade)
CAS：9067-32-7
MF: C14H22NNaO11
MW: 799.638
Product Specification
|
Item |
Specification |
|
Appearance |
White powder or granules |
|
Identification |
IR: The infrared absorption spectrum of the sample complies with the reference standard. |
|
Sodium salt: Should show the positive reaction of sodium salt |
|
|
Average Molecular Weight (KDa) |
0.95-1.05*106Dalton |
|
Transmittance |
≥ 99.0% |
|
Absorbance |
≤ 0.25 |
|
PH |
5.0-8.5 |
|
Loss on Drying |
≤ 10.0% |
|
Intrinsic Viscosity |
16.56~17.9dL/g |
|
Protein |
≤ 0.1% |
|
Heavy Metals (as Pb) |
≤ 10ppm |
|
Lead |
≤ 2ppm |
|
Arsenic |
≤ 1ppm |
|
Mercury |
≤ 0.5ppm |
|
Chromium |
≤ 0.5ppm |
|
Total Plate Count |
≤ 100cfu/g |
|
Yeasts&Molds |
≤ 50cfu/g |
|
E.Coli |
Negative |
|
Coliforms |
Negative |
|
Staphylococcus Aureus |
Negative |
|
Pseudomonas Aeruginosa |
Negative |
|
Glucuronic Acid Assay |
≥ 45.0% |
|
Sodium Hyaluronate Assay |
≥ 95.0% |
