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Food grade chitin

 


Food grade chitin

Scientific name: β-1,4-poly-N-acetyl-D-glucosamine

Molecular formula : (C8H13NO5)n
CAS No. 1398-61-4

HS No. 2922 5000

Characteristic
Chitin is white or off-white amorphous flake or powder, and insoluble in water, dilute acid, dilute alkali, concentrated alkali and ordinary organic solution. 


Chitin is mainly abstracted from  crab shell and shrimp shell, and it is basic raw material of chitosan and glucosamine.

Structure

                        



Raw material of food grad chitin
From deep-sea crab shell, such as Alaska snow crab shell.

Specification
Appearance: white flake or powder
Moisture content: less than 10%
Ash content: less than 1.5% 
particle size: 2mm-5mm, or 20-80mesh
pb: less than 5ppm
As: less than 0.5ppm

 

 

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