Specification :

Product Description
Hyaluronic Acid Cosmetic Grade, pharm grade and food grade
CAS NO.:9004-61-9
Appearance: White powder or granular
D-glucuronic acid: 44% min;
Transparecy: 99% min;
Protein: 0.1% max;
Heavy metal: 20ppm max;
Arsenic(As): 2ppm max
Loss on drying: 10% max;
PH(0.1%solution): 5.5-7.5
Total bacteria amount: 100CFU/g max;
Mold & yeast: 100CFU/g max,
Escherichia coil: Absent,
Staphylococcus aureus: Absent,
Pseudomonas aeruginosa: Absent

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