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%

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: 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

Staphylococcus aureus: Negative/g

Pseudomonas aeruginosa: Negative/g