Sodium Hyaluronate
Injection Grade (CEP-DMF)
CAS #:
9067-32-7
Molecular Formula:
(C14H20NO11Na)n
Synonym:
Hyaluronic Acid Sodium Salt, Sodium Hyaluronate, Hyalurone sodium
Molecular Weight:
799.64 g/mol
Overview
Purified Sodium Hyaluronate occurs as white powder, granules or as fibrous masses. It is sparingly soluble in water and practically insoluble in ethanol.
| Characters | Unit | Specification |
|---|---|---|
| Appearance | White or almost white, very hygroscopic powder or fibrous aggregate. | |
| Identification | ||
| A. Infrared absorption | Complies with Ph. Eur. reference spectrum of Sodium Hyaluronate | |
| B. Reaction of sodium | Positive | |
| Appearance of solution | Clear and the absorbance is NMT 0.001 at 600nm | |
| pH | Between 5.0 to 8.5 (0.5% solution) | |
| Intrinsic viscosity | Report the test value | |
| Molecular weight | Report the test value | |
| Nucleic acids | The absorbance is NMT 0.5 at 260 nm | |
| Protein | % | ≤ 0.1 % (on the dried substance) |
| Chlorides | % | ≤ 0.5 |
| Heavy metals | ppm | ≤ 10 ppm |
| Iron | ppm | ≤ 80 ppm (on the dried substance) |
| Loss on drying | % | ≤ 10.0 |
| Assay | % | 95.0% ~105.0% (on the dried substance) |
| Residual solvents: Ethanol | % | ≤ 0.5 |
| Microbial contamination | cfu/g | ≤ 100 |
| Bacterial Endotoxins | IU/mg | ≤ 0.05 |
Shelf Life/Retest Date: : Sodium Hyaluronate (Injection Grade) can be kept for at least 2 years if stored under recommended conditions.
Storage/Shipping Conditions:
- Keep container tightly closed in a cool, well- ventilated place away from heat, UV light and humidity..
- Keep away from oxidising agents and substances harmful or toxic to the environment.
- Recommended storage temperature: 2-8° C for long term.
Pack Sizes: 25 gm
