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Chitosan

Release time:2023-05-22

Product Name: Chitosan
CAS No.: 9012-76-4
Molecular Formula: (C6H11NO4)n=(161)n
Molecular Weight: 161·n
EC No.: 222-311-2


Brief Introduction of Chitosan:
Chitosan is the product of natural polysaccharide chitin by removing part of the acetyl group. It has various physiological functions such as biodegradability, biocompatibility, non-toxicity, antibacterial, anticancer, lipid-lowering, and immune enhancement. It is widely used in food additives, textiles, agriculture, environmental protection, beauty care, cosmetics, antibacterial agents, medical fibers, medical dressings, artificial tissue materials, drug sustained-release materials, gene transduction carriers, biomedical fields, medical absorbable materials, tissue engineering carrier materials, many fields such as medical treatment, drug development and other daily chemical industries.

Test Items Specifications
Appearance
Off-white or light yellow powder 
Identification
Adding CuC4H4O6TS and heating a brick-red or deep brown precipitate is formed 
DAC Degree
Not less than 90% 
Viscosity
50mpa·s ~ 800mpa·s 
Moisture
Not more than 10.0%
Ash
Not more than 1.5% 
pH Value
6.5 ~ 8.5 
Acid-insoluble Substance
Not more than 1.0%
Bulk Density
Not less than 0.3g/mL
Arsenic(As)
Not more than 0.5ppm
Particle Size
Meets the requirements
Total Plate Count
Not more than 1000CFU/g
Yeasts & Moulds 
Not more than 100CFU/g 
Escherichia coli
Negative
Salmonella Negative



Packaging: 25kg full paper drum (400mm×500mm) lined with two layers of polyethylene film plastic bag, or according to the specific requirements from customers.


Storage & Transportation:
Sealed packaging. Store in a dry, clean, cool place. When transporting, load and unload lightly, and shall not be mixed with harmful, poisonous and easily polluting items, and it is strictly prohibited to be exposed to rain.


Shelf Life: 24 months if stored under above conditions.