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191892

Sigma-Aldrich

Hydroxypropyl cellulose

average Mw ~370,000, powder, 20 mesh particle size (99% through)

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Synonym(s):
HPC
CAS Number:
MDL number:
NACRES:
NA.23

description

biological oxygen demand (BOD) 14,000 ppm

Quality Level

form

powder

autoignition temp.

752 °F

mol wt

average Mw ~370,000

impurities

<5 wt. %

particle size

20 mesh (99% through)

pH

5.0-8.5

interfacial tension mineral oil

12.5 dyn/cm, 0.1 wt. % in H2O (vs. mineral oil)

viscosity

150-400 cP, 2 wt. % in H2O(25 °C, Brookfield, spindle #2) (60 rpm)(lit.)

solubility

H2O: insoluble (above 45 °C)
polar organic solvents: soluble

density

0.5 g/mL at 25 °C (lit.)

InChI

1S/C12H20N2/c1-5-12(13)11-7-6-10(14(3)4)8-9(11)2/h6-8,12H,5,13H2,1-4H3

InChI key

RRHXDYJWVYFMKV-UHFFFAOYSA-N

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Related Categories

General description

Hydroxypropyl cellulose (HPC) is a nonionic derivativeof cellulose. It is a thermosensitive, biodegradable polymer with low criticalsolution temperature.

Application

Hydroxypropyl cellulose can be used to prepare composite nanospheres for drug delivery systems. Hydroxypropyl methacrylate/hydroxy cellulose graft copolymers can be used as matrices for controlled-release tablets. It can also be used as an electrolyte additive to prepare gel polymerelectrolytes for dye-sensitized solar cells.

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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