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448869

Sigma-Aldrich

Quitosana

low molecular weight

Sinônimo(s):

Poli(D-glicosamina), Quitina desacetilada

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About This Item

Número CAS:
9012-76-4
Número MDL:
MFCD00161512
Código UNSPSC:
12352201
NACRES:
NA.23

Formulário

powder

peso molecular

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

viscosidade

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

solubilidade

dilute aqueous acid: soluble

cadeia de caracteres SMILES

N([C@H]1[C@@H](O[C@@H]([C@H]([C@@H]1O)O[C@@H]4O[C@@H]([C@H]([C@@H]([C@H]4N)O)O[C@@H]5O[C@@H]([C@H]([C@@H]([C@H]5N)O)O[C@@H]6O[C@@H]([C@H]([C@@H]([C@H]6N)O)O[C@@H]7O[C@@H]([C@H]([C@@H]([C@H]7N)O)O[C@@H]8O[C@@H]([C@H]([C@@H]([C@H]8N)O)O[C@@H]9O[C@@H]([C@H](

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

chave InChI

FLASNYPZGWUPSU-SICDJOISSA-N

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Aplicação

A quitosana pode ser usada como floculante, na precipitação de proteínas, como agente encapsulante e espessante aquoso.
Forma géis com ânions multivalentes. Produz soluções transparentes que secam na forma de filmes fortes e transparentes.

Características e benefícios

Polieletrólito biocompatível, antibacteriano e ecológico com diversas aplicações, incluindo tratamento de água, cromatografia, aditivos para cosméticos, tratamento têxtil para atividade antimicrobiana, fibras novas para tecidos, papéis fotográficos, filmes biodegradáveis,dispositivos biomédicos e implantes de microcápsulas de liberação controlada para administração de fármacos.
Polieletrólito biocompatível, antibacteriano e ecológico.

forma física

75% a 85% desacetilado

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

nwg

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)

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Certificados de análise (COA)

Lot/Batch Number
BCCG9965
BCCG5629
BCCF8502
0000121422
0000121421

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Visite a Biblioteca de Documentos

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
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.
Soo Jin Jeon et al.
PloS one, 9(3), e92723-e92723 (2014-03-25)
The emergence of antibiotic resistant microorganisms is a great public health concern and has triggered an urgent need to develop alternative antibiotics. Chitosan microparticles (CM), derived from chitosan, have been shown to reduce E. coli O157:H7 shedding in a cattle
Lana Glerieide Silva Garcia et al.
Carbohydrate polymers, 195, 662-669 (2018-05-29)
Difficulties in the treatment of Candida spp. invasive infections are usually related to the formation of biofilms. The aim of this study was to determine the effects of molecular weight (MW) of chitosan (using high (HMW), medium (MMW) and low
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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