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Merck
CN

191892

羟丙基纤维素

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

别名:

HPC

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化学文摘社编号:
UNSPSC Code:
12162002
NACRES:
NA.23
MDL number:
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SMILES string

N(C)(C)c1cc(c(cc1)C(N)CC)C

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

description

biological oxygen demand (BOD) 14,000 ppm

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.)

Quality Level

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General description

羟丙基纤维素(HPC)是一种非离子衍生物纤维素。它是一种热敏、可生物降解的聚合物,具有较低的临界溶液温度。

Application

羟丙基纤维素可 用于制备用于药物递送系统的复合纳米球。 甲基丙烯酸羟丙酯/羟基纤维素接枝共聚物 可用作控释片的基质。 它也可以用作电解质添加剂,制备用于染料敏化太阳能电池的凝胶聚合物电解质。

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)


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分析证书(COA)

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Ranjit M Dhenge et al.
International journal of pharmaceutics, 438(1-2), 20-32 (2012-09-11)
The present work focuses on the study of the progression of granules in different compartments along the length of screws in a twin screw granulator (TSG). The effects of varying powder feed rate; liquid to solid ratio and viscosity of
Hyemin Choi et al.
Journal of pharmaceutical sciences, 101(8), 2941-2951 (2012-05-26)
Living organisms secrete minerals composed of peptides and proteins, resulting in "mesocrystals" of three-dimensional-assembled composite structures. Recently, this biomimetic polymer-directed crystallization technique has been widely applied to inorganic materials, although it has seldom been used with drugs. In this study
Weibin Deng et al.
Drug development and industrial pharmacy, 39(2), 290-298 (2012-04-25)
The objective of this study was to improve the dissolution rate and to enhance the stability of a poorly water-soluble and low glass-trasition temperature (T(g)) model drug, fenofibrate, in low molecular weight grades of hydroxypropylcellulose matrices produced by hot-melt extrusion
Jianjun Yang et al.
International orthopaedics, 37(3), 515-521 (2012-11-28)
The aim of this study was to determine whether hydroxypropylcellulose (HPC) coating of polyethylene terephthalate (PET) artificial ligaments enhances graft osseointegration in the bone tunnel. Thirty New Zealand white rabbits underwent artificial ligament graft transplantation in the bilateral proximal tibia
Satomi Onoue et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 46(5), 492-499 (2012-04-14)
The present study was undertaken to develop a solid self-emulsifying drug delivery system of coenzyme Q(10) (CoQ(10)/s-SEDDS) with high photostability and oral bioavailability. The CoQ(10)/s-SEDDS was prepared by spray-drying an emulsion preconcentrate containing CoQ(10), medium-chain triglyceride, sucrose ester of fatty

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