 PRODUCT
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Hyaluronic Acid
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Byname: Sodium Hyaluronate
CAS: 9004-61-9
Molecular formula: (C14H21NO11)n
Molecular Weight:
Characteristics:
Hyaluronic acid (HA) is a straight chain macromolecular mucopolysaccharide composed of repeat disaccharide units of glucuronic acid and N-acetylglucosamine. The commercial hyaluronic acid (HA) is commonly a sodium salt, called sodium hyaluronate. It widely consists in the extracellular space of human and animal tissue, vitreum, umbilical cord, skin joints synovia and cockscomb, etc. (more about Hyaluronic Acid...click here)
Specification:
| Item |
Cosmetic grade |
Food grade |
| Characters |
White or white-like powder, without odor, soluble in water, insoluble in ethanol, acetone and aether. |
| Glucuronic acid |
≥ 42.0% |
≥ 42.0% |
| Molecular weight |
( 0.8-2.0 ) ×106 |
( 0.8-1.5 ) ×106 |
| pH |
6.0-7.5 |
6.0-7.5 |
| Transparency |
≥ 99.0% |
≥ 99.0% |
| Loss on drying |
≤ 10.0% |
≤ 10.0% |
| Protein |
≤ 0.1% |
≤ 0.1% |
| Heavy metals |
≤ 20ppm |
≤ 10ppm |
| Bacteria count |
< 10CFU/g |
< 10CFU/g |
| Mold & Yeast |
< 10CFU/g |
< 10CFU/g |
| Staphylococcus aureus |
Negative |
Negative |
| Pseudomonas aeruginosa |
Negative |
Negative |
| Recommended dosage |
0.05-0.5% |
0.05-0.5% |
Packing:
Fluorinated bottle or two layers plastic bag.
Storage:
Stored in an airtight container at 2-10℃.
Validity: Two years.
MSDS: Available when required.
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