Chitosan is made from chitin and then refined. It is insoluble in water, soluble in dilute acid, can be absorbed by the human body. Chitosan is a primary derivative of chitin. Its chemical structure is cationic polymer with basic polysaccharide, and has unique physical and chemical properties and biological activation function.
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Chitosan for Biodegradable Plastic use
Quality standard
| CAS | 9012-76-4 |
|---|---|
| Molecular Formula | (C6H11NO4)n |
| Appearance | White or light yellow powder or flake |
| Storage | Store in tight, light-resistant containers |
| Standard | Enterprise Standard |
| Deacetylated Degree | ≥80% or customized |
| Residue on Ignition | ≤3.0% |
| Loss on Drying | ≤15.0% |
| PH Value | 6.5~8.5 |
| Heavy Metals | ≤10ppm |
| Matter Insoluble in Water | ≤2.0% |
| Viscosity | 50~800mpa.s or customized |
| Arsenic | ≤0.5ppm |
| Total Plate Count | ≤1000CFU/g |
| Yeast & Mold | ≤100CFU/g |
| Coliform's Group | ≤0.3MPN/g |
| Salmonella | Negative |
| Staphyloccus | Negative |