Sodium Hyaluronate
CAS: 9067-32-7
Category: Carbohydrates
| Purity | Cosmetic Grade (≥90–95%, various molecular weights), Pharmaceutical/Medical Grade (≥95–99%, high pur |
| Molecular Formula | (C₁₄H₂₀NNaO₁₁)ₙ |
| Molecular Weight | Typically 100 kDa to 3,000 kDa depending on grade |
| Appearance | White to off-white, odorless, fibrous or granular powder |
| Packaging | 100g/500g/1kg per aluminum foil bag (for cosmetic/pharmaceutical use); 5kg/10kg/25kg per cardboard drum or HDPE drum with inner PE liner; 1g/5g/10g vials for research use |
| Testing Indicators | Appearance — Visual inspection; Identification — IR, CMC (carbazole method); Molecular weight — GPC/SEC or viscometry; Purity — CPC (cetylpyridinium chloride) titration or HPLC; Sodium content — Atomic absorption or ICP-OES; pH (1% solution) — Potentiometry; Loss on drying — Gravimetry; Protein content — Lowry or Bradford assay; Endotoxins — LAL test (for injection grade); Heavy metals — ICP-MS; Residual solvents — GC; Viscosity — Brookfield viscometer or Ubbelohde viscometer; Microbial limits — Plate count method. |
| Storage Notes | Stored in a tightly sealed container at 2–8°C (refrigerated) for long-term stability. Protected from light, heat, and moisture. Avoid repeated freeze-thaw cycles. Store in a dry, well-ventilated area away from strong oxidizing agents. |
| Lead Time | Deprecated: htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in /www/wwwroot/www.demeichem.com/config/helpers.php on line 28 days |
Used as a humectant, lubricant, and viscoelastic agent. Applications include: (1) Ophthalmic surgery (viscoelastic device), (2) Osteoarthritis treatment (intra-articular injection), (3) Wound healing and tissue regeneration (hydrogels, dressings), (4) Dermal fillers (cosmetic dermatology), (5) Topical skincare and personal care products (moisturizer, anti-aging formulations), (6) Drug delivery carrier.