Product Name: Carboxymethyl Chitosan

Grade: Pharmaceutical Grade

CAS No.: 83512-85-0

Molecular Formula: C20H37N3O14

Brief Introduction:
Carboxymethyl chitosan is an important water-soluble chitosan derivative, which has many medical effects, such as promoting wound healing, hemostasis, inhibiting scar, analgesic and antibacterial effects. In addition, it is also widely used in chemical industry, environmental protection and health care products.
Carboxymethyl chitosan has good biocompatibility and biodegradability, and is widely used in hydrogels and wound healing biomaterials, and is also widely used in tissue engineering matrix materials; in addition, carboxymethyl chitosan is easy to be processed into nanoparticles, making it more suitable for drug delivery, bioimaging, biosensors and gene therapy; carboxymethyl chitosan also has many applications in green chemistry in recent years. Because of its unique biological properties, carboxymethyl chitosan has a wide range of applications in the fields of biomedicine and pharmaceuticals.

Character:
It is white or yellowish amorphous powder, which dissolves in water, and the aqueous solution is clear and transparent, with stable properties.

Specifications of our Pharmaceutical Grade Carboxymethyl Chitosan:

Test Items	Specifications
Appearance	Off-white or light yellow flakes or powder
Degree of Carboxylation	Not less than 80%
Viscosity	Not more than 100mpa·s
pH Value	6.0 ~ 10.0
Assay	Not less than 85.0%
Loss on Drying	Not more than 15.0%
Residue on Ignition	Meets the requirements
Insoluble Matter	Not more than 0.5%
Residual Protein	Not more than 0.2%
Residual Ethanol	Not more than 0.5%
Residual Diglycolic Acid	Not more than 0.1%
Endotoxin	Less than 0.5EU/mg, Less than 0.05EU/mg or customized standard
Heavy Metals	Not more than 10mg/kg
Total Arsenic(As)	Not more than 4.0mg/kg
Mercury(Hg)	Not more than 4.0mg/kg
Iron(Fe)	Not more than 50mg/kg
Total Plate Count	Not more than 100CFU/g
Moulds & Yeasts	Not more than 10CFU/g
Escherichia coli	Negative

Applications:
Carboxymethyl chitosan is a water-soluble chitosan derivative with many properties, such as strong antibacterial, fresh-keeping effect, which is an amphoteric polyelectrolyte. It has many applications in cosmetics, fresh-keeping, medicine, etc. It is also one of the chitosan derivatives that have been studied more in recent years.
Carboxymethyl chitosan is a chemical compound that has appeared in recent years, and it is of great significance in medicine, chemical industry, environmental protection, and health care products. Its stable properties and pharmacological effects such as antibacterial and anti-infection, lipid-lowering and prevention of arteriosclerosis are destined to play a greater role in the daily life of human beings in the future.



Packaging:
25Kg net weight full paper drum or according to the specific requirements from customers.

Storage and Transportation:
Sealed containers. Stored 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.