Properties: 
It is extracted from chitin, insoluble in water but soluble in dilute acid and absorbed by human body. As the first derivate, it's chemical constitution is macromolecule alkalescent polysaccharide polymer with cation. It has peculiar physical, chemical properties and bioactive function.
Uses: 
It can mostly be applied in the following industries: textile , dyeing and printing, leather, tobacco, plastics, food additive, fodder, pharmaceutics, color film, paper manufacturing, biological engineering, agriculture protecting and dispose waste water etc, or widely used in health food and food additives
Quality index:

Item	Pharmaceutical grade Chitosan
Appearance	white or light yellow powder
Deacetylated Degree %	≥90,95
Moisture %	≤8.0
Ash %	≤1.0
Viscosity mpa.s	≤100
Arsenic ppm (as As)	≤0.5
Heavy Metals ppm(as Pb)	≤10
Bulk Density g/ml	≥0.3
Total Plate Count cfu/g	≤1000
E.Coli cfu/g	≤30
Salmonella	negative
Packing	carton, 10kg/drum, or following your demands

high pure Chitosan with 95% Deacetylated Degree is available too. We also can offer you other specification according to your demands.
Storage: Kept in dry, clean and ventilating place, load gently, avoid rain. Do not mix with toxic and polluted matter.

according to your demands, we can offer you special Chitosan (20000-300000 of Molecular weight) and Chitosan oligosaccharide (1000-10000 of Molecular weight) Chitosan (20000-300000)和 Chitosan oligosaccharide (1000-10000).