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Merck

434973

Sigma-Aldrich

2-Hydroxyethylcellulose

average Mv ~720,000

Synonym(e):

Cellulose hydroxyethylate

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About This Item

CAS-Nummer:
MDL-Nummer:
UNSPSC-Code:
12162002
NACRES:
NA.23

Form

powder or crystals

Qualitätsniveau

Selbstzündungstemp.

725 °F

Mol-Gew.

average Mv ~720,000

Kennzeichnungsgrad

2.5 mol per mol cellulose (M.S.)

Viskosität

4,500-6,500 cP, 2 wt. % in H2O(25 °C, Brookfield, spindle #4) (60 rpm)(lit.)

Dichte

0.6 g/mL at 25 °C (lit.)

SMILES String

O1C(C(C(C(C1CO)OC)O)OCCO)OC2C(OC(C(C2O)O)OC4C(OC(C(C4O)O)C)CO)COC3OC(C(C(C3O)O)OC)CO

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

InChIKey

CWSZBVAUYPTXTG-UHFFFAOYSA-N

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Allgemeine Beschreibung

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

Anwendung

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

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)


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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
Zhenqing Li et al.
Journal of chromatography. A, 1229, 274-279 (2012-02-09)
Pulsed field capillary electrophoresis (PFCE) is a predominant technique to cope with difficulties in resolving large DNA strands, yet it is still unclear whether pulsed electric field is effective for the separation of higher mass RNA. In this paper we
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
Najmul Arfin et al.
International journal of biological macromolecules, 50(3), 759-767 (2011-12-14)
Solution behaviour of hydroxyethyl cellulose (HEC) is reported in the polymer concentration range spanning over two decades (c=0.002-5% (w/v)). The results conclude the following: (i) dilute solution regime prevailed for c<0.2% (w/v), flexible HEC fibres of typical length ≈ 1

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