chitin and derivate

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chitin and derivate
Posting date : Feb 21, 2007
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05-
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Scientific name: β-1,4-poly-N-acetyl-D-glucosamine Molecular formula : (C8H13NO5)n CAS No. 1398-61-4 HS No. 2922 5000 Physical characteristics White or off-white amorphous translucent flake. Insoluble in water, dilute acid, dilute alkali, concentrated alkali and ordinary organic solution etc. There are three crystallographic forms, α, β and γ. Widely existing in shell of shrimp and crab, insect shell, fungi cell wall and plant cell wall. Chitin is mainly made from shrimp shell and crab shell, and it is basic raw material of chitosan and glucosamine. Structure: Food grade chitin Raw material From deep-sea crab shell or shrimp shell, such as Alaska snow crab shell. Specification Appearance: white flake or powder Moisture content: less than 10% Ash content: less than 1%

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