1,Hyaluronic Acid 2,Appearance: White powder 3,packing:1kg aluminum foil bag 4,CAS no: 9004-61-9 1,Hyaluronic Acid2,Appearance: White ... -9 5,Specification Sodium Hyaluronate (dry basis): 90%-105% Glucuronic acid: 42.0% max. PH(0.1% Water Solution): 6.0 ... . Bacteria count: 100CFU/g max. Pseudomonas aeruginosa: Negative. Staphylococcus aureus hyaluronic acid