Ayais Hyaluronic Acid, HA, Sodium Hyaluronate

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Eye Drop Grade Sodium Hyaluronate (Hyaluronic Acid, HA)
CharateristicsWhite or almost white,very hygroscopic grain or powder, odorless,turn to clear solution when dissolved in water, insoluble in ethanol, acetone,and aether.
PH6.0 TO 8.0
Light Absorbance 257nm 0.25max, 280nm 0.15max
Loss on drying8% Max.
Kinematic Viscosity 1600 ( on the dried basis)
Residue on ignition20% Max.
Sulfate Quality to the rule
Heavy Metal30ppm Max
Glucuronic Acid 40% Min
Bacteria Counts10 CFU/g Max.
Mold & Yeast10 CFU/g Max.
Staphylococcus aureusNegative
Pseudomonas AeruginosaNegative
Recommended dosage 0.05% to 0.5%
StorageStored in an airtight container at 2 to 8 Centi Degree
Validity 2 years


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Hyaluronic Acid, HA, Sodium Hyaluronate, Hyaluronsan, Bovine vitreous humor, Hyalgan
CAS NO.: 9067-32-7 or 9004-61-9.




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