Product Name

Sodium Hyaluronate (Hyaluronic Acid)

CAS Number

9067-32-7

Molecular Formula

C₁₄H₂₂NNaO₁₁

Structural Formula

Grade

Cosmetic grade

Shelf life

3 years

Keep in cool and dry place,Protecte from Sunlight

Item

Standard

Appearance

White crystals or powder

Glucuronic acid

≥44%

Sodium Hyaluronate

≥91.0%

Molecular weight

(0.6 ~1.4) X106

Protein

≤0.05%

PH

6.0~7.5

Transparency (0.1%solution)

≥99.0%

Loss on drying

≤10%

Residue on Ignition

≤20%

Heavy metals

≤20ppm

Arsenic

≤2ppm

Bacterial counts

≤100cfu/g

Molds & Yeast

≤10cfu/g

Staphylococcus aureus

Negative

Viable HemolyticalStreptococci

Negative