产品名称
2-羟乙基纤维素, average Mv ~90,000
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 ~90,000
extent of labeling
2.5 mol per mol cellulose (M.S.)
viscosity
100-180 cP(lit.)
density
0.6 g/mL at 25 °C (lit.)
Quality Level
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Application
增稠剂、保护胶体、粘合剂、稳定剂和悬浮剂。
General description
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。具有保水性能和良好的成膜能力,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。
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)
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)
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
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
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
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