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Product Features |
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white power |
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| Description: |
Food grade Chitosan
Scientific name: ß-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, a, ß and ?.
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
<200 mpa.s
Moisture content
<10%
Ash content
<1%
Pb
<5ppm
As
<2ppm
Total plate count
<1000cfu/g
E.Coli
<30cfu/100g
Mold and yeast
<100 cfu/g |
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