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912123

Sigma-Aldrich

Trimethyl chitosan

medium molecular weight, degree of quaternization: 40- 60%

Synonym(s):

N,N,N-trimethyl chitosan, Chitosan trimethyl, Mucoadhesive polymers, TMC, TMC Chitosan

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About This Item

Linear Formula:
(C9H18ClNO4)n
CAS Number:
52349-26-5
UNSPSC Code:
12162002
NACRES:
NA.23

Quality Level

100

form

powder

color

light yellow to light brown

storage temp.

2-8°C

Application

Chitosan offers remarkable biological properties, it has been widely used in drug delivery and tissue engineering applications. Chitosan has good mucoadhesive properties due to its positive charge, which increases the adhesion to mucosa and facilitates drug penetration. Also, chitosan possesses hemostatic properties, which makes it a good candidate for wound dressing applications.

The quaternization of the primary amine increases the water solubility of chitosan and keeps chitosan soluble over a wide pH range. Among all the quaternized chitosans, N, N, N-trimethyl chitosan chloride (TMC) is the most widely applied in biomedical applications.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Preparation and Characterization of Particles from Chitosan with Different Molecular Weights and Their Trimethyl Chitosan Derivatives for Nasal Immunization.
BOONYO W, et al.
Journal of Metals, Materials and Minerals, 18(2), 59-65 (2008)

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