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Merck
CN

434981

2-羟乙基纤维素

average Mv ~1,300,000

别名:

Hydroxyethylcellulose

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化学文摘社编号:
UNSPSC Code:
12162002
NACRES:
NA.23
MDL number:
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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

InChI key

CWSZBVAUYPTXTG-UHFFFAOYSA-N

form

powder

autoignition temp.

725 °F

mol wt

average Mv ~1,300,000

extent of labeling

2.5 mol per mol cellulose (M.S.)

viscosity

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

density

0.6 g/mL at 25 °C (lit.)

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General description

非离子型水溶性聚合物。水溶液为假塑性的。易于分散,不会结块。

Application

增稠剂、保护胶体、粘合剂、稳定剂和悬浮剂。

存储类别

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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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
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
Koichi Ono et al.
Electrophoresis, 34(6), 903-910 (2013-01-12)
We developed a novel single-step capillary electrophoresis (SSCE) scheme for miniaturized and easy to use system by using a microchannel chip, which was made from the hydrophilic material polymethyl methacrylate (PMMA), equipped with a capillary stop valve. Taking the surface
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
Liangzhu Li et al.
PloS one, 7(5), e37381-e37381 (2012-05-23)
Sifuvirtide is a proven effective HIV-1 entry inhibitor and its safety profile has been established for systemic administration. The present study evaluated the potential of sifuvirtide formulated in a universal gel for topical use as a microbicide candidate for preventing

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