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Sigma-Aldrich

Chitosan

low molecular weight

Synonyme(s) :

Deacetylated chitin, Poly(D-glucosamine)

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About This Item

Numéro CAS:
Numéro MDL:
Code UNSPSC :
12352201
Nomenclature NACRES :
NA.23

Forme

powder

Poids mol.

50,000-190,000 Da (based on viscosity)

Viscosité

20-300 cP, 1 wt. % in 1% acetic acid(25 °C, Brookfield)(lit.)

Solubilité

dilute aqueous acid: soluble

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

Clé InChI

FLASNYPZGWUPSU-SICDJOISSA-N

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Application

Chitosan may be used as a flocculant, in protein precipitation, encapsulating agent and aqueous thickener.
Forms gels with multivalent anions. Gives clear solutions that dry to strong, clear films.

Caractéristiques et avantages

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.

Forme physique

75-85% deacetylated

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

nwg

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)


Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

Ming-Hui Yang et al.
BioMed research international, 2014, 789591-789591 (2014-04-24)
Chitosan nanoparticle, a biocompatible material, was used as a potential drug delivery system widely. Our current investigation studies were the bioeffects of the chitosan nanoparticle uptake by liver cells. In this experiment, the characterizations of chitosan nanoparticles were measured by
Tsung-Lin Yang et al.
Journal of cellular and molecular medicine, 13(9A), 2853-2863 (2008-07-17)
Chitosan is a widely used biocompatible biomaterial in the tissue regeneration, but its utility and application in the tissue morphogenesis of salivary gland remains unclear. The study aimed to explore the effects of chitosan on the epithelial morphogenesis of submandibular
Wei-Hsuan Lo et al.
Molecules (Basel, Switzerland), 25(21) (2020-11-07)
(1) Background: Few antifungal drugs are currently available, and drug-resistant strains have rapidly emerged. Thus, the aim of this study is to evaluate the effectiveness of the antifungal activity from a combinational treatment of chitosan with a clinical antifungal drug
Ajay Vijayakumar et al.
AAPS PharmSciTech, 18(3), 875-883 (2016-07-03)
The objective of this study was to formulate and characterize properties of solid lipid nanoparticle (SLN) dispersion containing quercetin. SLN was prepared by ultrasonication method using tripalmitin and lecithin as lipid core and then the surface was coated with chitosan.
Jimena S Gonzalez et al.
Polymers, 11(4) (2019-04-20)
Self-assembly of natural polymers constitute a powerful route for the development of functional materials. In particular, layer-by-layer (LBL) assembly constitutes a versatile technique for the nanostructuration of biobased polymers into multilayer films. Gelatin has gained much attention for its abundance

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