Skip to Content
Merck
All Photos(3)

Documents

417963

Sigma-Aldrich

Chitosan

from shrimp shells, practical grade

Synonym(s):

Deacetylated chitin, Poly(D-glucosamine)

Sign Into View Organizational & Contract Pricing
All Photos(3)

About This Item

CAS Number:
9012-76-4
MDL number:
MFCD00161512
UNSPSC Code:
12352201
NACRES:
NA.23

biological source

shrimp shells

grade

practical grade

form

solid

mol wt

190000-375000 Da

viscosity

>200 cP, 1 wt. % in 1% acetic acid(20 °C, Brookfield)(lit.)

solubility

1 M acetic acid: 10 mg/mL

InChI

1S/C56H103N9O39/c1-87-56(86)65-28-38(84)46(19(10-74)96-55(28)104-45-18(9-73)95-49(27(64)37(45)83)97-39-12(3-67)88-47(85)20(57)31(39)77)103-54-26(63)36(82)44(17(8-72)94-54)102-53-25(62)35(81)43(16(7-71)93-53)101-52-24(61)34(80)42(15(6-70)92-52)100-51-23(60)33(79)41(14(5-69)91-51)99-50-22(59)32(78)40(13(4-68)90-50)98-48-21(58)30(76)29(75)11(2-66)89-48/h11-55,66-85H,2-10,57-64H2,1H3,(H,65,86)/t11-,12-,13-,14-,15-,16-,17-,18-,19-,20-,21-,22-,23-,24-,25-,26-,27-,28-,29-,30-,31-,32-,33-,34-,35-,36-,37-,38-,39-,40-,41-,42-,43-,44-,45-,46-,47-,48+,49+,50+,51+,52+,53+,54+,55+/m1/s1

InChI key

FLASNYPZGWUPSU-SICDJOISSA-N

Looking for similar products? Visit Product Comparison Guide

Application

Forms gels with multivalent anions. Gives clear solutions that dry to strong, clear films.

Features and Benefits

Biocompatible, antibacterial and environmentally friendly polyelectrolyte with a variety of applications including water treatment, chromatography, additives for cosmetics, textile treatment for antimicrobial activity, novel fibers for textiles, photographic papers, biodegradable films, biomedical devices, and microcapsule implants for controlled release in drug delivery.

Physical form

≥ 75% deacetylated

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Arash Ghalayani Esfahani et al.
Journal of biomedical materials research. Part A, 107(7), 1455-1465 (2019-02-21)
One of the main challenges in the design of scaffolds for cortical bone regeneration is mimicking the highly oriented, hierarchical structure of the native tissue in an efficient, simple, and consistent way. As a possible solution to this challenge, positive
Stephanie Supper et al.
Expert opinion on drug delivery, 11(2), 249-267 (2013-12-07)
Thermogelling chitosan (CS)/glycerophosphate (GP) solutions have been reported as a new type of parenteral in situ forming depot system. These free-flowing solutions at ambient temperature turn into semi-solid hydrogels after parenteral administration. Formulation parameters such as CS physico-chemical characteristics, CS/gelling
D Harikishore Kumar Reddy et al.
Advances in colloid and interface science, 201-202, 68-93 (2013-11-05)
Magnetic chitosan composites (MCCs) are a novel material that exhibits good sorption behavior toward various toxic pollutants in aqueous solution. These magnetic composites have a fast adsorption rate and high adsorption efficiency, efficient to remove various pollutants and they are
Bijay Singh et al.
Journal of nanoscience and nanotechnology, 14(1), 564-576 (2014-04-16)
Successful gene therapy depends on the development of efficient and cell-specific gene delivery systems. Currently, animal viral vectors have been mostly used for in vivo and in clinical trials owing to their high transduction efficiency. However, they suffer from numerous
Héloïse Ragelle et al.
Journal of controlled release : official journal of the Controlled Release Society, 172(1), 207-218 (2013-08-24)
Recently, chitosan has attracted significant attention in the formulation of small interfering RNA (siRNA). Because of its cationic nature, chitosan can easily complex siRNA, thus readily forming nanoparticles. Moreover, chitosan is biocompatible and biodegradable, which make it a good candidate
View All Related Papers

Articles

Preparation of Chitosan Microparticles by Spray Drying
Chitosan-based Biomaterials

Chitin, a natural polysaccharide, is the second most abundant natural biopolymer in the world, after cellulose.

Chitosan: A Versatile Platform for Pharmaceutical Applications

The development of new medical devices and pharmaceuticals plays an integral role in the medical industry. Both natural and synthetic polymers possess benefits that make them valuable components in therapeutics.

Microfluidic-Assisted Manufacturing of Materials for Nanomedicine

Professor Nicola Tirelli (Istituto Italiano di Tecnologia, Italy) highlights the microfluidic-assisted method for fabricating well-defined and reproducible nanoparticles for drug delivery research.

See All

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service