| Appearance | White or almost white powder or granule |
| Glucuronic acid | ≥45.0% |
| Sodium hyaluronate | ≥93.0% |
| PH(0.5% aq. sol., 25℃) | 5.0-8.5 |
| Absorbance(0.5% aq. sol., 25℃) | A280nm≤0.25 |
| Transmittance(0.5% aq. sol., 25℃) | T550nm≥99.0% |
| Loss on drying | ≤10.0% |
| Molecular weight | 1.30*10^6 |
| Intrinsic viscosity | Measured value |
| Kinematic viscosity | Measured value |
| Protein | ≤0.1% |
| Heavy metal(as Pb) | ≤20 mg/kg |
| Bacteria counts | ≤100CFU/g |
| Molds & Yeasts | ≤50CFU/g |
| Staphylococcus aureus | Negative/g |
| Pseudomonas aeruginosa | Negative/g |
Product Name: Sodium Hyaluronate
CAS NO.: 9067-32-7
Molecular Formula: C14H22NNaO11
Molecular Weight: 403.31
Density: 1.78g/cm3
Boiling point: 791.6℃
Flash point: 432.5℃
Storage condition: 20℃
Solubility: H2O: 5 mg/mL, clear, colorless
Application: Used in dry eye syndrome, high-end cosmetics industry, etc.
Appearance: White or almost white powder or granule
Glucuronic acid: ≥45.0%
Sodium hyaluronate: ≥93.0%
0.5% aq. sol., 25℃): 5.0~8.5
Absorbance(0.5% aq. sol., 25℃): A280nm≤0.25
Transmittance(0.5% aq. sol., 25℃): T550nm≥99.0%
Loss on drying: ≤10.0%
Molecular weight: measured value
Intrinsic viscosity: measured value
Kinematic viscosity:measured value
Protein: ≤0.1%
Heavy metal(as Pb): ≤20 mg/kg
Bacteria counts: ≤100CFU/g
Molds & Yeasts: ≤50CFU/g
Stalococcus aureus: Negative/g
Pseudomonas aeruginosa: Negative/g
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