The N.O-carboxymethyl chitosan pertains to an amphoteric chitosan that dissolves in water rapidly. It is an off-white flake or powder. Its aqueous solution is transparent and odorless.
Characteristics and Applications
1. This product contains abundant hydrophilic groups such as hydroxyl and amino, featuring outstanding biocompatibility, superb moisture retention, and film-forming properties. It can effectively eliminate oxygen free radicals, and then make skin firm and smooth. This product has a significant bacteriostatic effect. It is an ideal polymeric material in cosmetic formulations.
2. Its aqueous solution is neutral, which can be widely applied in liquid food.
3. The N.O-carboxymethyl chitosan is the best kind of carboxylated chitosan. It carries both positive and negative charges. This product is mainly used in the cosmetics, heavy metal chelator, plant growth promoter, as well as the fruit and vegetable preservatives.
Degree of Deacetylation | ≥85% |
Degree of Carboxylation | ≥60.0% |
Viscosity | 30~120MPa.s |
Molecular Weight | 50,000~150,000 |
Ash Content | ≤1.0% |