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 ~100,000
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
65-175 cP, 5 wt. % in H2O(25 °C, Brookfield, spindle #1) (30 rpm)(lit.)
solubility
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）是由环氧丙烷和碱性纤维素 在高温高压下反应制备的中性多糖。它可溶 于水和许多极性有机溶剂。HPC 被广泛用作食品 添加剂和药物递送系统。
Application
羟丙基纤维素可 用于以下应用：
- HPC 可溶 于有机溶剂，这使其适合于 制备用于电化学设备的聚合物凝胶电解质。HPC 的网络形成能力可以改善凝胶电解质的机械和电 学性能。
- 电纺 羟丙基纤维素纳米纤维可用于开发 各种疏水性药物的药物递送系统。
- 羟丙基纤维素与碳酸钠等泡腾剂相结合，可作为粘合剂和功能材料制备用于控制氧氟沙星释放的漂浮片。
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)
Xiaole Qi et al.
International journal of pharmaceutics, 489(1-2), 210-217 (2015-05-10)
To prolong the residence time of dosage forms within gastrointestinal trace until all drug released at desired rate was one of the real challenges for oral controlled-release drug delivery system. Herein, we developed a fine floating tablet via compression coating
Jeremiah F Kelleher et al.
AAPS PharmSciTech, 21(1), 23-23 (2019-12-14)
The development of oral solid dosage forms, such as tablets that contain a high dose of drug(s), requires polymers and other additives to be incorporated at low levels as possible, to keep the final tablet weight low, and, correspondingly, the
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).
Kassibla E Dempah et al.
AAPS PharmSciTech, 14(1), 19-28 (2012-11-28)
Solid-state NMR spectroscopy (SSNMR), coupled with powder X-ray diffraction (PXRD), was used to identify the physical forms of gabapentin in samples prepared by recrystallization, spray drying, dehydration, and milling. Four different crystalline forms of gabapentin were observed: form I, a
Homendra Naorem et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 101, 67-73 (2012-10-27)
The formation constant of triiodide ions from iodine-iodide equilibrium in aqueous-organic solvent or polymer mixed media have been determined spectrophotometrically at three different temperatures 20, 30 and 40°C. The organic solvents chosen for the study are ethylene glycol, 2-methoxy ethanol
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