Other names: Poliglusam; Deacetylchitin; Poly-(D)glucosamine; BC; Chitopearl; Chitopharm; Flonac; Kytex
CAS Number: 9012-76-4
Molecular formula: (C6H11NO4)N
Grade: Medicine/Food/Industrial/Agricultural/ Water Soluble Grade
Properties: Offwhite, innocuous, flavorless, amorphous and semitransparent solid, soluble in acid, insoluble in water and alkalis or ordinary organic solvents, decomposed at 185°C.
2. Chitosan Specification:
Chitosan (Medical /Food / Industrial Grade)
Item
Medical grade
Food grade
Feed / Industrial grade
Appearance
White powder
White powder
White or light yellow semitransparent sheet or powder
Degree of deacetylation
>90%, 95%
>85%, 90%
>80%, 85%
pH
7.0-9.0
7.0-9.0
7.0-9.0
Loss on drying
<8.0%
<10.0%
<12.0%
Residue on ignition
<1.0%
<1.5%
<2.0%
Insoluble
<1.0%
<1.0%
<2.0%
Heavy metal (measured by Pb)
≤10ppm
≤10ppm
As
≤0.5ppm
≤0.5ppm
Total bacterial count
≤1000cfu/g
≤1000cfu/g
Viscosity
≤500mpa.s
≤500mpa.s
50-1200mpa.s
Granularity
40mesh, 60mesh, 80mesh, 100mesh