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Merck

434973

Sigma-Aldrich

2-羟乙基纤维素

average Mv ~720,000

别名:

Cellulose hydroxyethylate

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About This Item

CAS号:
MDL编号:
UNSPSC代码:
12162002
NACRES:
NA.23

表单

powder or crystals

质量水平

自燃温度

725 °F

分子量

average Mv ~720,000

标记范围

2.5 mol per mol cellulose (M.S.)

粘度

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

密度

0.6 g/mL at 25 °C (lit.)

SMILES字符串

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

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一般描述

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。

应用

增稠剂、保护胶体、粘合剂、稳定剂和悬浮剂。

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

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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Barbra A Richardson et al.
Journal of acquired immune deficiency syndromes (1999), 63(1), 120-125 (2013-01-22)
To compare the 2 control arms of HPTN 035 [a hydroxyethylcellulose (HEC) gel control arm and a no-gel control arm] to assess the behavioral effects associated with gel use and direct causal effects of the HEC gel on sexually transmitted
Shao-Ching Hung et al.
Journal of agricultural and food chemistry, 60(44), 11149-11156 (2012-10-23)
Cationic hydroxyethyl cellulose (cHEC) was supplemented in a high-fat diet to determine if this new soluble fiber had an effect on hypercholesterolemia and dyslipidemia associated with cardiovascular disease using Golden Syrian hamster as an animal model. Supplementation of 3-5% cHEC
H Braunwarth et al.
Der Urologe. Ausg. A, 51(3), 403-408 (2012-02-22)
There are special requirements for draining a pouch, e.g. length, flexibility and ability to drain highly viscous urine. We checked in vitro the flow time of pure and synthetic urine thickened with hydroxyethylcellulose (0.125% and 0.250%, HEC) on selected catheters.
Ahmed M Eissa et al.
Carbohydrate polymers, 90(2), 859-869 (2012-07-31)
This article describes a versatile method for the modification of 2-hydroxyethyl cellulose (HEC) involving azide-alkyne cycloaddition reaction to impart neutral (ester) and ionic (carboxylic acid and 1(ry) amine) functionalities. The synthetic approach involved, first the introduction of the azide functionality
Salomé dos Santos et al.
Journal of colloid and interface science, 383(1), 63-74 (2012-07-17)
Associative aqueous mixtures over a range of concentrations of double- (ds) or single- (ss) stranded DNA with dilute or semidilute solutions of two cationic derivatives of hydroxyethyl cellulose (cat-HEC and cat-HMHEC,(1) the latter carrying grafted hydrophobic groups), were studied. The

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