agency
USP/NF, tested according to Ph. Eur.
form
coarse powder
autoignition temp.
698 °F
concentration
48.0-49.5% (Ethoxy (OC2H5) groups (dried substances)- EU Portal, GC)
refractive index
n20/D 1.47 (lit.)
viscosity
10 mPa.s
solubility
acetone: soluble, benzene: soluble, butyl acetate: soluble, carbon tetrachloride: soluble, ethanol: soluble, glycerol: insoluble, propylene glycol: insoluble, water: insoluble, xylene: soluble
density
1.14 g/mL at 25 °C (lit.)
application(s)
pharmaceutical (small molecule)
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General description
Ethyl cellulose is a lipophilic polymer that possesses excellent membrane-forming ability and durability. It facilitates the formation of free films and is utilized in studying the dynamic interaction of polymer films with water.
Application
Ethyl cellulose has been used in the preparation of biostructures such as matrices, microspheres, microparticles, pellets and tablets for use in drug delivery. It has also been used in making chemically modified ethyl cellulose-based membrane for the purification of IgG.
存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
法规信息
新产品
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A Martinac et al.
International journal of pharmaceutics, 291(1-2), 69-77 (2005-02-15)
Loratadine-loaded microspheres were prepared by spray-drying of dispersions, emulsions and suspensions differing in polymeric composition and solvents used. Conventional microspheres were obtained by spray-drying of dispersions composed of chitosan (CM) as only polymer, while composed microspheres were obtained by spray-drying
Anna Jansson et al.
Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada, 20(2), 394-406 (2014-02-26)
Drug release from oral pharmaceutical formulations can be modified by applying a polymeric coating film with controlled mass transport properties. Interaction of the coating film with water may crucially influence its composition and permeability to both water and drug. Understanding
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
N Suwannateep et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 82(3), 485-490 (2012-09-08)
The phytochemical curcumin possesses antioxidant activity; however, it becomes unstable after being exposed to light or heat or loses activity during storage. This is especially important when curcumin is applied to the skin within a cosmetic or pharmaceutical formulation, since
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