hyaluronic acid

1,Hyaluronic Acid
2,Appearance: White powder
3,packing:1kg aluminum foil bag
4,CAS no: 9004-61-9
1,Hyaluronic Acid
2,Appearance: White powder
3,packing:1kg aluminum foil bag
4,CAS no: 9004-61-9
5,Specification
Sodium Hyaluronate (dry basis): 90%-105%
Glucuronic acid: 42.0% max.
PH(0.1% Water Solution): 6.0-7.5
Molecular Weight: 1.5x106 Dalton.
Protein: 0.1% min.
Transparency (0.1% Solution): 99% min.
Loss on drying: 10.0% max.
Heavy metals (as Pb): 10ppm max.
Arsenic: 1ppm max.
Mold & Yeast: 10CFU/g max.
Bacteria count: 100CFU/g max.
Pseudomonas aeruginosa: Negative.
Staphylococcus aureus: Negative.