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