Hyaluronic Acid
CAS: 9004-61-9
Molecular formula: (C14H21NO11)N
Molecular weight: 776.6486
Appearance: White powder or granular
D-Glucuronic Acid: ≥ 44%
Assay: ≥ 91%
Transparency (0.1% Solution): ≥ 99%
Molecular Weight: 0.5x10⁶ ~ 0.7x10⁶
Protein: ≤ 0.1%
Loss on Drying: ≤ 10%
pH (0.5% Solution): 5.5 ~ 7.5
Residue on Ignition: ≤ 15%
Heavy Metals: ≤ 20 ppm
Arsenic: ≤ 2 ppm
Total Amount of Bacteria: ≤ 100 cfu/g
Mold and Yeast: ≤ 100 cfu/g
Escherichia Coli: Absent
Pseudomonas Aeruginosa: Absent
Coliform Bacteria: Absent
Salmonella: Absent
Staphylococcus Aureus: Absent
