Hyaluronic Acid Medium Molecular Weight Grade

Item

Specification

Appearance

White powder

Glucuronic Acid

≥  44%

Sodium Hyaluronate

≥  91%

Clarity (0.5% water solution)

≥  99%

pH

5.0-8.5

Molecular Weight

Medium Molecular Weight
1.0 -1.5 Million Da. (USA Stocks)
0.5-0.7 Million Da.
0.2-0.5 Million Da.

Protein  

≤0.1%

Loss on drying

≤10%

Residue on Ignition

≤20.00 %

Chlorides

≤ 0.5%

Iron

≤ 80ppm

Heavy metal

≤10ppm

Arsenic

≤2ppm

Bacteria Count

≤100CFU/G

Molds & Yeast

≤100CFU/g

Staphylococcus aureus

Negative

Pseudomonas aeruginosa

Negative

Hemolysis

Negative

Viable Hemolytical Streptococci

Negative