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417963 Aldrich

Chitosan

from shrimp shells, practical grade

Synonym: Deacetylated chitin, Poly(D-glucosamine)

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Properties

Related Categories Chitosan, Chitosan and Chitin, Chitosans (Animal Origin), Materials Science, Natural Polymers and Biopolymers,
biological source   from shrimp shells
grade   practical grade
mol wt   mol wt 190000-375000 Da
viscosity   >200 cP, 1 wt. % in 1% acetic acid(20 °C, Brookfield)(lit.)
solubility   1 M acetic acid: soluble10 mg/mL

Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Packaging

25, 100 g in poly bottle

Physical form

≥ 75% deacetylated

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.

Price and Availability


The Future of Bioimaging
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
nwg

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option: http://www.sigmaaldrich.com/catalog/AdvancedSearchPage.do
What is the solubility of Chitosan, Product 417963?
Product No. 417963 is tested for solubility using 50 mg of chitosan in 5 mL of 1M acetic acid. Solubilization may require heat and sonication. This is a practical grade material, so some insolubles may exist.
What is the molecular weight of the Chitosan, Product 417963, polymer?
The molecular weight is not measured during quality control and is not guaranteed for this chitosan product. We have an estimated value from the vendor as 190,000->375,000, which is based on the viscosity of 200-2000 mPa.s.
What are some uses for Chitosan, Product 417963?
Chitosan has recently found many applications in the field of biomaterials. It has been studied for use in biodegradable films, biomedical devices, drug-delivery applications, etc. More information and references on chitosan and other biomaterials can be found at the following link: http://www.sigmaaldrich.com/Area_of_Interest/Chemistry/Materials_Science/BiocompatibleBiodegradable/Tutorial.html or at the link entitled "Chitosan" on the product detail page for this product: http://www.sigmaaldrich.com/catalog/search/ProductDetail/ALDRICH/417963
How do I find price and availability?
There are several ways to find pricing and availability for our products.  Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers. 
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS. To access the shipping information for this material, use the link on the product detail page for the product, or search here. 
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
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Protocols & Articles

Articles

Chitosan-based Biomaterials

Chitin, a natural polysaccharide, is the second most abundant natural biopolymer in the world, after cellulose. It is the primary, high modulus fibrous component of the exoskeleton of arthropods incl...
Guolin Wu1, Hui Gao2, and Jianbiao Ma1,2
Material Matters, 2012 v7, n3
Keywords: Absorption, Applications, Cell attachment, Cell culture, Degradations, Dialysis, Diseases, Growth factors, Metabolites, Methods, Pharmaceutical, Purification, Renal Disease, Transfection, Vectors

Chitosan: A Versatile Platform for Pharmaceutical Applications

Raphael Riva and Christine Jerome* Center for Education and Research on Macromolecules University of Liege, Chemistry Department, Sart-Tilman, Building B6a, 4000 Liege, Belgium *Email: c.jerome@ulg.a...
Keywords: Acetylations, Adhesion, Aminations, Cancer, Condensations, Coupling reactions, Degradations, Derivatizations, Ethoxylations, Growth factors, Ligands, Pharmaceutical, Polymerization reactions, Precipitation, Reductions, Reductive aminations, Solvents, Substitutions, Transfection

Related Content

Chitosan Microparticles

Microparticles with controlled size and morphology are of significant interest in the fields of drug delivery and biopharmaceuticals. The objective of this study was to assess the effect of processin...
Keywords: Acetylations, Microscopy, Scanning electron microscopy

Peer-Reviewed Papers
15

References

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