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Trade name: |
SMW Hyaluronic Acid Sodium Salt, powder |
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INCI Name: |
Sodium Hyaluronate |
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Origin: |
Biotechnological processing |
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Appearance: |
White to off-white powder or granules |
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Solubility in water (1.0% w/v): |
Slowly, completely soluble |
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Appearance of 1% aqueous solution: |
Clear to slightly opalescent, colorless, viscous liquid |
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Clarity of 1% aqueous solution (660 nm, 1 cm) |
<0.01 |
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pH of 0.5 % aqueous solution: |
5.0 – 8.0 |
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Residue on drying: |
>90% |
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Residue on ignition: |
<10% calc. on dry basis |
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Uronic acid (UA): |
>45% calc. on dry basis |
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Sodium hyaluronate: |
>93% (% UA x 2.067) |
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Protein: |
<0.1% calc on dry basis |
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Preservative: |
None |
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Microbial count: |
<100 CFU/g (colony-forming units) |
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Molecular weight: |
1.3 – 1.8 MDa |
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Viscosity (0.05% solution): |
1.75 – 2.46 cSt |
