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308633

Sigma-Aldrich

2-Hydroxyethyl cellulose

average Mw ~380,000

Sinónimos:

HEC

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About This Item

Número de CAS:
9004-62-0
MDL number:
MFCD00072770
UNSPSC Code:
12162002
NACRES:
NA.23

description

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

Quality Level

200

form

powder

autoignition temp.

725 °F

mol wt

average Mw ~380,000

extent of labeling

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

mp

288-290 °C (dec.)

density

0.6 g/mL at 25 °C (lit.)

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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General description

2-Hydroxyethyl cellulose (HEC) is a water soluble biopolymer that is majorly used as a thickener and an adhesive. It has water retention which also includes good film forming ability for protective covering.
Non-ionic water soluble polymer. Aqueous solutions are pseudoplastic. Readily disperses without lumping.

Application

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

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
STBK6185
STBK2003
STBJ6333
STBH4601
STBH4600

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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)
Maria Teresa Calejo et al.
Colloids and surfaces. B, Biointerfaces, 102, 682-686 (2012-10-30)
The cytotoxicity of three lysine-derived surfactants with a gemini-like structure was evaluated on HeLa cells. The half maximal effective concentration (EC(50)) was estimated from the dose-response curves and the values indicated an increase in toxicity with the increase in alkyl
Julian Kirch et al.
Proceedings of the National Academy of Sciences of the United States of America, 109(45), 18355-18360 (2012-10-24)
In this study, the mobility of nanoparticles in mucus and similar hydrogels as model systems was assessed to elucidate the link between microscopic diffusion behavior and macroscopic penetration of such gels. Differences in particle adhesion to mucus components were strongly
B Kargul et al.
European journal of paediatric dentistry : official journal of European Academy of Paediatric Dentistry, 13(2), 123-127 (2012-07-06)
Casein phosphopeptide stabilised amorphous calcium phosphate (CPP-ACP) has been shown to remineralise enamel subsurface lesions. The aim of this study was to determine the effect of a paste containing 10% CPP-ACP (Toothmousse; GC) on enamel surface microhardness in vitro. Thirty
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