| Customization: | Available |
|---|---|
| CAS No.: | 9004-61-9 |
| Formula: | C14h22nnao11 |
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With its unique molecular structure and physicochemical properties, hyaluronic acid shows a variety of important physiological functions in the body, such as lubricating joints, regulating the permeability of blood vessel wall, regulating the diffusion and operation of protein, water and electrolyte, and promoting wound healing. More importantly, hyaluronic acid has a special water retaining effect. It is the best moisturizing substance found in nature at present, and is called an ideal natural moisturizing factor
| Item | Specification | Result | ||||
| Physical & Chemical Test | ||||||
| Appearance | White or almost white powder or granules | Complies | ||||
| Infrared absorption | Positive | Complies | ||||
| Reaction of sodium | Positive | Complies | ||||
| Absorbance | ≤0.25 | 0.08 | ||||
| Transparency | ≥99.0% | 100.0% | ||||
| PH | 6.0~7.5 | 6.5 | ||||
| Intrinsic viscosity | ≥22.40 dL/g | 22.66 dL/g | ||||
| Molecular weight | ≥1.40×106 Da | 1.42×106 Da | ||||
| Kinematic viscosity | Actual value | 52.57 mm²/s | ||||
| Purity Test | ||||||
| Loss on drying | ≤10% | 9.34% | ||||
| Residue on ignition | ≤20% | 18.85% | ||||
| Heavy metals | ≤20ppm | <20ppm | ||||
| Arsenic | ≤2ppm | <2ppm | ||||
| Protein | ≤0.1% | 0.03% | ||||
| Assay | 95.0%~105.0% | 96.6% | ||||
| Glucuronic acid | 46.0%~51.0% | 46.7% | ||||
| Microbiological Purity | ||||||
| Total bacterial count | ≤100CFU/g | <10CFU/g | ||||
| Yeasts & mold | ≤20CFU/g | <10CFU/g | ||||
| E.coli | Negative | Negative | ||||
| Staph | Negative | Negative | ||||
| Pseudomonas aeruginosa | Negative | Negative | ||||
Najin Import and Export (Shandong) Co., Ltd. is a comprehensive, diversified, and comprehensive company with BDO, PEG, PPG, PTMEG, MDI, TDI, PVA, NMP, and polyether polyols, polyester polyols, and polymer polyols as its main industrial chains. We have a professional sales team that has won recognition and praise from the industry with exquisite technology, sound administrative management, and good teamwork. The product is sold to multiple domestic and foreign enterprises.
We always adhere to the principle of "quality first, customer first, and reputation first", and are committed to providing customers with the best products. We will also continue to build a professional chemical product supply chain with the highest quality service, best products, and maximum efforts.
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