Trade name:

Sodium Hyaluronate powder, medical grade

Description:

Fine white powder with no odor

Infrared spectrum:

To pass test

Sodium:

Pass

Appearance of 0.33% solution:

Clear

Appearance of 0.33% solution (A₆₀₀, 1 cm):

£ 0.01

pH of 0.5 % aqueous solution:

5.0 – 8.5

Nucleic acid (A₂₆₀, 0.33%, 1 cm):

£ 0.5

Protein content:

£ 0.1%

Chlorides:

£ 0.5%

Iron:

£ 80 ppm

Loss on drying:

£ 10%

Total microbial count:

£ 100 CFU/g

Bacterial endotoxins:

£ 0.5 I.U./mg

Sodium hyaluronate (dry basis):

95.0 - 105.0 %

Intrinsic viscosity (25° C):

90 to 120 % of declared value

Content of residual isopropanol:

< 5000 ppm