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434981
2-Hydroxyethyl cellulose
average Mv ~1,300,000
Synonym(s):
Hydroxyethylcellulose
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About This Item
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form
powder
autoignition temp.
725 °F
mol wt
average Mv ~1,300,000
extent of labeling
2.5 mol per mol cellulose (M.S.)
viscosity
3,400-5,000 cP, 1 wt. % in H2O(25 °C, Brookfield, spindle #4) (30 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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Related Categories
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
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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.
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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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