All Photos(4)



Hydroxypropyl cellulose

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

CAS Number:
MDL number:

Quality Level



autoignition temp.

752 °F

mol wt

average Mw ~1,000,000

biological oxygen demand (BOD)

14,000 ppm


<5 wt. %

particle size

20 mesh (99% through)

pH range

5.0 - 8.5

interfacial tension mineral oil

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


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


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


0.5 g/mL at 25 °C (lit.)

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Related Categories

Storage Class Code

13 - Non Combustible Solids



Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Certificate of Origin

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
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
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
Ashish Sarode et al.
AAPS PharmSciTech, 14(1), 151-159 (2012-12-20)
Hydroxypropylcellulose (HPC)-SL and -SSL, low-viscosity hydroxypropylcellulose polymers, are versatile pharmaceutical excipients. The utility of HPC polymers was assessed for both dissolution enhancement and sustained release of pharmaceutical drugs using various processing techniques. The BCS class II drugs carbamazepine (CBZ), hydrochlorthiazide
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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