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247499

Sigma-Aldrich

Ethyl cellulose

viscosity 100 cP, 5 % in toluene/ethanol 80:20(lit.), extent of labeling: 48% ethoxyl

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About This Item

Número de CAS:
9004-57-3
MDL number:
MFCD00131037
UNSPSC Code:
12162002
NACRES:
NA.23

form

powder or granules

autoignition temp.

698 °F

concentration

48.0-49.5%

extent of labeling

48% ethoxyl

refractive index

n20/D 1.47 (lit.)

viscosity

100 cP, 5 % in toluene/ethanol 80:20(lit.)

transition temp

softening point 155 °C

density

1.14 g/mL at 25 °C (lit.)

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General description

Ethyl cellulose is a non-toxic, physiologicallyinert, and stable hydrophobic polymer. It is widely used in the preparation ofsustained release matrices for drug delivery systems.

Application

Ethyl cellulose can be used:
  • To prepare polymeric microcapsules of Alachlor and Metolachlor to study their controlled-release properties.
  • As a core matrix to synthesize biphasic drug release nanofibers.
  • To prepare wax-based solid dispersion pellets with excellent floating and sustained-release ability.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Päivi Grönroos et al.
Sensors (Basel, Switzerland), 19(12) (2019-06-30)
Novel hot electron-emitting working electrodes and conventional counter electrodes were created by screen printing. Thus, low-cost disposable electrode chips for bioaffinity assays were produced to replace our older expensive electrode chips manufactured by manufacturing techniques of electronics from silicon or
Robert Morhard et al.
IEEE transactions on bio-medical engineering, 67(8), 2337-2348 (2019-12-17)
Ethanol ablation, the injection of ethanol to induce necrosis, was originally used to treat hepatocellular carcinoma, with survival rates comparable to surgery. However, efficacy is limited due to leakage into surrounding tissue. To reduce leakage, we previously reported incorporating ethyl
Kifayat Ullah Shah et al.
TheScientificWorldJournal, 2012, 842348-842348 (2012-06-01)
The design and fabrication of sustained/controlled release dosage forms, employing new excipients capable of extending/controlling the release of drugs from the dosage forms over prolonged periods, has worked well in achieving optimally enhanced therapeutic levels of the drugs. In this
Oguzhan Gunduz et al.
Pharmaceutical research, 30(1), 225-237 (2012-09-08)
To investigate a new microfluidic method for the continuous preparation of hollow-shell nanoparticles of a hydrophobic polymer and the simultaneous encapsulation within these of a hydrophilic active pharmaceutical ingredient. A specially designed and constructed microfluidic device which facilitates at a
Ghulam Murtaza
Acta poloniae pharmaceutica, 69(1), 11-22 (2012-05-12)
Ethylcellulose (EC) based microencapsulated drug delivery systems are being extensively studied throughout the world for achieving extended drug release and protecting the core substance from degradation. The in vitro evaluation of EC microcapsules have elucidated that their particle characteristics are
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