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434973

Sigma-Aldrich

2-Hydroxyethyl cellulose

average Mv ~720,000

Synonym(s):

Cellulose hydroxyethylate

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About This Item

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

form

powder or crystals

Quality Level

100

autoignition temp.

725 °F

mol wt

average Mv ~720,000

extent of labeling

2.5 mol per mol cellulose (M.S.)

viscosity

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

density

0.6 g/mL at 25 °C (lit.)

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

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General description

Non-ionic water soluble polymer. Aqueous solutions are pseudoplastic. Readily disperses without lumping.

Application

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

434973-VAR:
434973-1KG:
434973-250G:
434973-BULK:

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW1684
MKCS0362
MKCS0361
MKCQ8992
MKCP9876

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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
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
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
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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