Merck
CN

191906

Sigma-Aldrich

羟丙基纤维素

average Mw ~1,000,000, powder, 20 mesh particle size (99% through)

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CAS号:
MDL编号:
NACRES:
NA.23

描述

biological oxygen demand (BOD) 14,000 ppm

质量水平

形式

powder

自燃温度

752 °F

分子量

average Mw ~1,000,000

杂质

<5 wt. %

粒径

20 mesh (99% through)

pH值(酸碱度)

5.0-8.5

界面张力矿物油

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

粘度

1,275-3,500 cP, 1 wt. % in H2O(25 °C, Brookfield, spindle #3) (30 rpm)(lit.)

溶解性

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

密度

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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此商品
1918841918921329800
Hydroxypropyl cellulose average Mw ~1,000,000, powder, 20&#160;mesh particle size (99% through)

Sigma-Aldrich

191906

羟丙基纤维素

Hydroxypropyl cellulose average Mw ~100,000, powder, 20&#160;mesh particle size (99% through)

Sigma-Aldrich

191884

羟丙基纤维素

Hydroxypropyl cellulose average Mw ~370,000, powder, 20&#160;mesh particle size (99% through)

Sigma-Aldrich

191892

羟丙基纤维素

Hydroxypropyl cellulose United States Pharmacopeia (USP) Reference Standard

USP

1329800

羟丙基纤维素

viscosity

1,275-3,500 cP, 1 wt. % in H2O(25 °C, Brookfield, spindle #3) (30 rpm)(lit.)

viscosity

65-175 cP, 5 wt. % in H2O(25 °C, Brookfield, spindle #1) (30 rpm)(lit.)

viscosity

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

viscosity

-

density

0.5 g/mL at 25 °C (lit.)

density

0.5 g/mL at 25 °C (lit.)

density

0.5 g/mL at 25 °C (lit.)

density

0.5 g/mL at 25 °C (lit.)

description

biological oxygen demand (BOD) 14,000 ppm

description

biological oxygen demand (BOD) 14,000 ppm

description

biological oxygen demand (BOD) 14,000 ppm

description

-

autoignition temp.

752 °F

autoignition temp.

752 °F

autoignition temp.

752 °F

autoignition temp.

752 °F

mol wt

average Mw ~1,000,000

mol wt

average Mw ~100,000

mol wt

average Mw ~370,000

mol wt

-

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)


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羟丙基 甲基纤维素

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
Noorullah Naqvi Mohammed et al.
AAPS PharmSciTech, 13(4), 1158-1169 (2012-09-11)
The objective of this research work was to evaluate Klucel™ hydroxypropylcellulose (HPC) EF and ELF polymers, for solubility enhancement as well as to address some of the disadvantages associated with solid dispersions. Ketoprofen (KPR), a Biopharmaceutics Classification System class II
R Logan et al.
Drug development and industrial pharmacy, 38(11), 1394-1404 (2012-03-23)
Impeller speed was varied from 300 to 1500 rpm during the wet high shear granulation of a placebo formulation using a new vertical shaft PharmaMATRIX-1 granulator. The resulting granules were extensively analysed for differences caused by the varying impeller speed

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