Loss on Drying<= 10.0%
Heavy Metals<= 20 ppm
Arsenic<= 2 ppm
Infrared SpectrumComplies with Ph. Eur. reference spectrum of Sodium Hyaluronate
Molecular weightReport Test Value
Residue on Ignition<= 20.0% (on dried substance)
Pseudomonas AerguinosaAbsent/g
E ColiAbsent/g
CharacteristicsWhite granule or powder, odorless
Intrinsic ViscosityReport Test Value
Protein<= 0.1% (on dried substance)
Assay>= 92.0% (on dried substance)
Staphylococcus aureusAbsent/g
Total molds & yeasts<= 10 cfu/g
Total viable count<= 100 cfu/g
pH6.0 - 8.0 (0.1% solution)
Glucuronic Acid>= 44.0% (on dried substance)
Light Transmittance>= 99.0% (0.5% solution, 550 nm)
Insolubilityin org. solventsm.w. 800,000-1,600,000