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Merck

C3646

Sigma-Aldrich

Quitosano

from shrimp shells, ≥75% (deacetylated)

Sinónimos:

Poli(D-glucosamina), Quitina desacetilada

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About This Item

Número de CAS:
Número MDL:
Código UNSPSC:
12352201
NACRES:
NA.25

origen biológico

shrimp shells

Nivel de calidad

Ensayo

≥75% (deacetylated)

Formulario

powder or flakes

color

white to beige

mp

102.5  °C ((216.5 °F ))

solubilidad

acetic acid: water: 10 mg/mL, slightly hazy to hazy (with extensive sonication)
H2O: insoluble
organic solvents: insoluble

densidad aparente

0.15‑0.3 g/cm3

temp. de almacenamiento

room temp

cadena 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

Clave InChI

FLASNYPZGWUPSU-SICDJOISSA-N

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Aplicación

Forma geles con aniones multivalentes. Produce disoluciones transparentes que se secan en láminas fuertes y transparentes.
Shrimp shell derived chitosan, deacetylated chitin (poly β-1,4-D-glucosamine), may be used as a biocompatible, antibacterial and environmentally friendly polyelectrolyte biomaterial with a variety of applications including uses in 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. It may be derivatized to further expand its uses.

Características y beneficios

Polielectrólito biocompatible, antibacteriano y ecológico con una variedad de aplicaciones entre ellas, el tratamiento del agua, la cromatografía, los aditivos para cosméticos, el tratamiento textil para actividad antimicrobiana, fibras nuevas para textiles, papeles fotográficos, películas biodegradables, productos biomédicos e implantes de microcápsulas para la liberación controlada en la administración de medicamentos.
Polielectrólito biocompatible, antibacteriano y ecológico.

Calidad

May contain foreign matter.

Nota de preparación

Prepared by the alkaline deacetylation of chitin obtained from the shells of shrimp (Pandalus borealis). Chitin is manufactured industrially by crushing shrimp shells, then washing the solids with acids to remove inorganic and proteinaceous material. The purified chitin is deacetylated to chitosan by treatment with a strong base such as sodium hydroxide. The resulting chitosan may be further purified by preparation of solutions in acid followed by neutralization and precipitation.

Nota de análisis

The degree of acetylation may be determined by dye binding or titration methods.

Otras notas

To gain a comprehensive understanding of our extensive range of Polysaccharides for your research, we encourage you to visit our Carbohydrates Category page.

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

nwg

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)


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Colorimetric determination of chitosan.
R A Muzzarelli
Analytical biochemistry, 260(2), 255-257 (1998-07-11)
Koen van der Maaden et al.
Langmuir : the ACS journal of surfaces and colloids, 30(7), 1812-1819 (2014-01-30)
The aim of this work was to generate a tunable surface isoelectric point (sIEP), where the surface is modified with two molecules: a weak base (pyridine), carrying a pH dependent positive charge, and a derivative of a strong acid (sulfate)
Frederik T Larsen et al.
Vaccines, 8(2) (2020-05-21)
Infectious bronchitis virus (IBV) is a highly contagious avian coronavirus. IBV causes substantial worldwide economic losses in the poultry industry. Vaccination with live-attenuated viral vaccines, therefore, are of critical importance. Live-attenuated viral vaccines, however, exhibit the potential for reversion to
Sirong Tan et al.
Journal of agricultural and food chemistry, 62(8), 1866-1874 (2014-02-01)
Chitosan (CTS) and capsaicin (CAP) are two kinds of effective ingredients for antiobesity, which are extracted from crab shells and Capsicum annuum. However, the strong taste of CAP makes it difficult to consume, and the antiobesity ability of CTS is
Wen-Chu Hsiao et al.
Journal of the Formosan Medical Association = Taiwan yi zhi, 118(1 Pt 1), 152-161 (2018-03-04)
Cell behaviors in three-dimensional spheroids are known to be different from those in monolayer cultures; however, very few studies have compared the characteristics of cell spheroids formed through different biomaterial-induced processes. This study investigated the mechanism of melanocyte spheroid formation

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