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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, Cellulose & cellulose derivatives

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关于此项目

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

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

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。


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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)



历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Catherine Boissier et al.
Journal of pharmaceutical sciences, 101(7), 2512-2522 (2012-04-28)
Nuclear magnetic resonance (NMR) cryoporometry and scanning electron microscopy (SEM) image analysis have been used to investigate the size and shape distribution of pores in pharmaceutical coatings. The coatings were made from a mixture of hydroxypropylcellulose (HPC) and ethylcellulose (EC).
Chirangano Mangwandi et al.
International journal of pharmaceutics, 427(2), 328-336 (2012-03-07)
Being able to predict the properties of granules from the knowledge of the process and formulation variables is what most industries are striving for. This research uses experimental design to investigate the effect of process variables and formulation variables on
A Aykut-Yetkiner et al.
Journal of dental research, 92(3), 289-294 (2013-01-15)
The objective of this in vitro study was to investigate the effects of viscosity changes of different acidic solutions on dental erosion. Bovine enamel samples (n = 240, Ø = 3 mm) were embedded in acrylic resin and were allocated



全球贸易项目编号

货号GTIN
191892-100G04061838760364
191892-250G04061833595251
191892-5G04061838760371