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434981

Sigma-Aldrich

2-Hydroxyethyl cellulose

average Mv ~1,300,000

Sinônimo(s):

Hydroxyethylcellulose

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About This Item

Número CAS:
9004-62-0
Número MDL:
MFCD00072770
Código UNSPSC:
12162002
NACRES:
NA.23

forma

powder

temperatura de autoignição

725 °F

peso molecular

average Mv ~1,300,000

Extensão da rotulagem

2.5 mol per mol cellulose (M.S.)

viscosidade

3,400-5,000 cP, 1 wt. % in H2O(25 °C, Brookfield, spindle #4) (30 rpm)(lit.)

densidade

0.6 g/mL at 25 °C (lit.)

InChI

1S/C29H52O21/c1-10-15(34)16(35)24(13(8-33)45-10)49-28-20(39)18(37)25(50-29-26(43-5-4-30)21(40)23(42-3)12(7-32)47-29)14(48-28)9-44-27-19(38)17(36)22(41-2)11(6-31)46-27/h10-40H,4-9H2,1-3H3

chave InChI

CWSZBVAUYPTXTG-UHFFFAOYSA-N

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Descrição geral

Non-ionic water soluble polymer. Aqueous solutions are pseudoplastic. Readily disperses without lumping.

Aplicação

Thickener, protective colloid, binder, stabilizer and suspending agent.

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 1

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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Prem N Gupta et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 46(5), 315-322 (2012-03-01)
Mucosally-administered vaccine strategies are widely investigated as a promising means of preventing HIV infection. This study describes the development of liposomal gel formulations, and novel lyophilised variants, comprising HIV-1 envelope glycoprotein, CN54gp140, encapsulated within neutral, positively charged or negatively charged
Bernice Wright et al.
Regenerative medicine, 7(3), 295-307 (2012-05-19)
Therapeutic limbal epithelial stem cells could be managed more efficiently if clinically validated batches were transported for 'on-demand' use. In this study, corneal epithelial cell viability in calcium alginate hydrogels was examined under cell culture, ambient and chilled conditions for
Maoqiang Xue et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 912, 1-7 (2013-01-08)
Microporous anodic aluminum oxide (AAO) membranes were modified by 3-glycidoxypropyltrimethoxysilane to produce terminal epoxy groups. These were used to covalently link hydroxyethyl celluloses (HEC) to amplify reactive groups of AAO membrane. The hydroxyl groups of HEC-AAO composite membrane were further
Ying-Chen Chen et al.
International journal of pharmaceutics, 441(1-2), 162-169 (2012-12-15)
The aim was to develop gastroretentive drug delivery systems (GRDDSs) by combining floating and swelling. GRDDS tablets formulated with hydroxyethylcellulose (HEC), chitosan (CS) and sodium bicarbonate (SB) for evaluating floating capacity (floating lag time and duration) and swelling characteristics. CS
Yaman Boluk et al.
Langmuir : the ACS journal of surfaces and colloids, 28(14), 6114-6123 (2012-03-28)
The steady-state shear and linear viscoelastic deformations of semidilute suspensions of rod-shaped nanocrystalline cellulose (NCC) particles in 1.0% hydroxyethyl cellulose and carboxymethyl cellulose solutions were investigated. Addition of NCC at the onset of semidilute suspension concentration significantly altered the rheological
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