Hyaluronic acid
CAS No.: 9004-61-9
Product Name: Hyaluronic acid
CAS#9004-61-9
Spec: cosmetic grade
Package: 25kg/drum
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
CAS#9004-61-9
Spec: cosmetic grade
Package: 25kg/drum
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
Description
Spec of Hyaluronic acid :
| Items | Specification | Results |
| Appearance | White or almost white powder or granule | Complies |
| pH | 2.5-5 | 3.6 |
| Molecular weight | Measured value | 0.17MDa |
| Kinematic viscosity | Measured value | 3.43mm2/s |
| Limiting viscosity | Measured value | 4.26dL/g |
| Protein | ≤0.1% | 0.02% |
| Loss on drying | ≤10% | 4.8% |
| Transparency | ≥99.0% | 99.9% |
| Absorbance | ≤0.25 | 0.19 |
| Heavy metal | ≤20mg/kg | <20mg/kg |
| Bacteria counts | ≤100cfu/g | <10cfu/g |
| Molds & Yeasts | ≤50cfu/g | <10cfu/g |
| Staphylococcus aureus | Negative/g | Negative |
| Pseudomonas aeruginosa | Negative/g | Negative |
| Glucuronic acid(on dried basis) | ≥46.0% | 46.6% |
| Hyaluronic acid | ≥90.0% | 91.0% |
