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Merck
CN

308633

Sigma-Aldrich

2-羟乙基纤维素

average Mw ~380,000

别名:

HEC

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About This Item

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

描述

Viscosity:300 - 400 cps, c = 2%; Water at 25° C

质量水平

表单

powder

自燃温度

725 °F

分子量

average Mw ~380,000

标记范围

1.0 mol per mol cellulose (D.S.)
2.0 mol per mol cellulose (M.S.)

mp

288-290 °C (dec.)

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

2-羟乙基纤维素(HEC)是一种水溶性生物聚合物,主要用作增稠剂和粘合剂。它具有保水性和良好的成膜能力,可用于保护性覆盖物。
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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访问文档库

Chemical modification of cellulose extracted from sugarcane bagasse: Preparation of hydroxyethyl cellulose
Abdel-Halim ES
Arabian Journal of Chemistry, 7(3), 362-371 (2014)
Distribution of substituents in O-(2-hydroxyethyl) cellulose
Lindberg B, et al.
Carbohydrate Research, 170(2), 207-214 (1987)
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
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
Mingyun Sun et al.
Electrophoresis, 32(22), 3233-3240 (2011-10-20)
Double-stranded (ds) DNA fragments over a wide size range were successfully separated in blended polymer matrices by microfluidic chip electrophoresis. Novel blended polymer matrices composed of two types of polymers with three different molar masses were developed to provide improved

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