Pharmaceutical Eye Drops

Pharmaceutical Eye Drops Pure Hyaluronic Acid Powder OEM Accepted Eye Drops Grade Hyaluronic Acid Due to its excellent viscoelastic behavior, high water retention capacity and lubrication, is widely used for Eye Drops. Eye Drops Grade Hyaluronic Acid can also produce oral preparations or parenteral preparations (not including intra-articular and intra-ocular preparations). It can be used in contact lens solutions, topical preparations for wound or burn healing, medical lubricants, etc. Product Intruduction Hyaluronic acid(HA) is a straight chain macromolecular mucopolysaccharide composed Of repeat disaccharide units of glucuronic acid and N-acetylglucosamine. It widely consists in the extracellular space of human and animal tissue, vitreum, umbilical cord, skin joints synovia and cockscomb, etc. The commercial HA is commonly a sodium salt, called sodium hyaluronate, habitually called hyaluronic acid. HA is a new biological at home and abroad. Its molecular weight is from several ten thousand to several million. It\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'s aqueous solution has outstanding moisture keeping ability, high viscoelasticity and lubricity. It is widely used in cosmetics, pharmacy and health and beauty food. Pharmaceutical Eye Drops Pure Hyaluronic Acid Powder OEM Accepted Specifications Eye Drop grade Hyaluronic Acid Powder / Sodium Hyaluronate Test Items Standard Result Appearance White powder Complies Appearance of Solution (A600nm) <0.01% Complies ID-A Infrared Absorption Spectrophotometry Complies ID-B Reaction of Sodium Complies PH 5.0~8.5 6.7 Intrinsic Viscosity ≥1.75m3/kg 2.83 m3/kg Solubility Soluble in Water, Insoluble in Alcohol, Acetone and Other Organic Solvents Complies Protein ≤0.1% 0.06% Chlorides ≤0.5 0.1 Iron <80ppm Complies Heavy metal <10ppm Complies Loss on Drying <10.0% 7.1% Sodium Hyaluronate Assay 95.0%--105.0% 98.4% Sulphated Glycosaminoglycans ≤1% Complies Molecular weight (1.5~2.0)X106 1.81X106 Nucleic Acids (A260nm) <0.5 Complies content of residual isopropanol ≤0.5