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Sigma-Aldrich

Ethyl cellulose

48.0-49.5% (w/w) ethoxyl basis

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About This Item

CAS Number:
MDL number:
UNSPSC Code:
12352201
NACRES:
NA.25

Quality Level

Assay

48.0-49.5% (w/w) (ethoxyl)

form

coarse powder
powder

autoignition temp.

698 °F

color

beige

refractive index

n20/D 1.47 (lit.)

viscosity

30-70 mPa.s, 5 % in toluene/ethanol 80:20(25 °C)

density

1.14 g/mL at 25 °C (lit.)

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Application

Ethyl cellulose is generated by converting a variable number of hydroxyl groups on the repeating glucose units to ethyl ether groups. Ethylcellulose is used in the preparation of biostructures such as matrices, microspheres, microparticles, pellets and tablets for use in drug delivery.

Preparation Note

Ethyl Cellulose is soluble in a wide range of solvents such as aliphatic alcohols, chlorinated solvents, and natural oils. It is insoluble in water, glycerin, and prolylene glycol.

Other Notes

To gain a comprehensive understanding of our extensive range of Polysaccharides for your research, we encourage you to visit our Carbohydrates Category page.

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Avi Schneider et al.
Proceedings of the National Academy of Sciences of the United States of America, 117(49), 31010-31017 (2020-11-25)
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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
Tetsuya Ozeki et al.
Biological & pharmaceutical bulletin, 35(11), 1926-1931 (2012-11-06)
Production of drug nanoparticles is an effective strategy to enhance solubility and oral absorption of water-insoluble drugs. The handling of drug nanoparticles has been an important issue in drug formulation because nanoparticles easily aggregate each other and redispersion of these
Anurag Verma et al.
Acta pharmaceutica (Zagreb, Croatia), 62(2), 237-250 (2012-07-04)
Chitosan has become a focus of major interest in recent years due to its excellent biocompatibility, biodegradability and non-toxicity. Although this material has already been extensively investigated in the design of different types of drug delivery systems, it is still
Daniela Traini et al.
International journal of pharmaceutics, 438(1-2), 150-159 (2012-09-12)
The potential of excipient coating to enhance aerosol performance of micronized drugs in carrier excipient-drug blends, used in dry powder inhalers, was investigated. Both EC (ethyl cellulose) and PVP (polyvinylpyrrolidone) were used as coating agents. Carriers were prepared via sieve

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