sell chitosan

Food grade chitosan Scientific name: β-1,4-poly-D-glucosamine Molecular formula : (C6H11NO4)n CAS No. 9012-76-4 HS No. 2922 5000 Physical characteristic White or off white amorphous translucent flake or powder with pearly color, Insoluble in water or alkali solution, soluble in most organic acid and part inorganic acid like diluted hydrochloric acid and nitric acid etc. In diluted acid solution, backbone chain of chitosan will hydrolyze slowly. There are three crystallographic forms, α, β and γ. Structure: Raw material From deep-sea crab shell, such as snow crab shell. Specification Appreance white flake or powder Deacetylation degree >85%; 90%; 95% Viscosity