Product name: Sodium Hyaluronate
CAS‑No.: 9067‑32‑7
EC‑No.: 618‑620‑0Molecular Formula: (C14H20NNaO11)n
INCI Name: Sodium Hyaluronate
Synonyms: Hyaluronic acid sodium salt, Hyaluronan, Sodium hyaluronate salt
Available molecular weight grades: High‑MW(1.2‑2.2 MDa), Medium‑MW(200‑1000 kDa), Low‑MW(10‑200 kDa), Oligo‑HA(<10 kDa)
1. Physico‑Chemical Properties
Solubility: Easily soluble in water; insoluble in ethanol, acetone and other organic solvents
Stability: Stable under recommended storage. Sensitive to high temperature, strong acid, strong alkali and oxidants. Aqueous solution is susceptible to microbial degradation.
Characteristic: Excellent water‑binding capacity, high visco‑elasticity, good biocompatibility
2. Product Specification (Cosmetic Grade, reference standard)
| Item | Specification |
|---|---|
| Appearance | White to off‑white fine powder |
| Loss on Drying | ≤10.0 % |
| pH (0.2% aqueous solution,25℃) | 5.5‑7.5 |
| Protein | ≤0.10 % |
| Transparency (0.1% solution) | ≥98 % |
| Heavy Metals | ≤10 ppm |
| Arsenic | ≤2 ppm |
| Total Aerobic Microbial Count | ≤1000 cfu/g |
| Yeast & Mould | ≤100 cfu/g |
| E. coli, Salmonella, S. aureus | Negative |
3. Main Applications
Cosmetics & personal‑care: High‑efficiency humectant for serums, creams, lotions, masks and hair‑care products. Different molecular weights deliver surface moisturizing, skin‑barrier repair and anti‑aging effects.
Pharmaceutical grade: Raw material for ophthalmic preparations, joint‑lubricating products, wound‑dressing excipients (USP/EP/ChP available).
Food grade: Functional food additive for health‑care products.
Medical devices: Used in bio‑material, anti‑adhesive formulations.
4. Storage & Handling
Store in tightly sealed containers, cool dry place at 2‑8℃. Protect from moisture, heat and direct sunlight.
Avoid high‑humidity environment; prevent microbial contamination.
Shelf‑life: 24 months in original unopened packaging.
5. Packaging
1 kg / 5 kg / 10 kg aluminium foil bag inside cardboard drum.
Disclaimer: This Technical Data Sheet is for reference only. Actual values shall be subject to batch‑specific Certificate of Analysis. Please refer to Safety Data Sheet for safety‑related information.



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