Product Name

 Hyaluronic Acid

CAS Number

9004-61-9

Molecular Formula

(C14H21NO11)n

Item

Specification

Appearance

White powder or granular

D-Glucuronic acid

≥44%

Transparency(0.1% solution)

≥98%

Molecular Weight

1.5×10⁶2.0×10⁶/1.5X10⁶

Protein

≤0.1%

Loss on Drying

≤10% 

pH0.1% solution

5.57.5

Heavy Metals

≤20 ppm

Total Amount of Bacteria

≤100 CFU/g

Mold & Yeast

≤100 CFU/g

Escherichia Coil

Negative

Staphylococcus Aureus

Negative

Pseudomonas Aeruginosa

Negative