CAS 9004-57-3 Ethyl cellulose, CP - Materials / Alfa Chemistry

NAVIGATION

Ethyl cellulose, CP

PRICE INQUIRY

Catalog Number

ACM9004573-7

CAS Number

9004-57-3

Product Name

Ethyl cellulose, CP

Category

Polymers

IUPAC Name

(2R,3R,4S,5S,6R)-5-[(2S,3R,4S,5S,6R)-4,6-bis(ethoxymethyl)-3,5-dihydroxyoxan-2-yl]oxy-3-ethoxy-6-(hydroxymethyl)oxane-2,4-diol

Molecular Weight

440.5g/mol

Molecular Formula

C19H36O11

Canonical SMILES

CCOCC1C(C(OC(C1O)OC2C(OC(C(C2O)OCC)O)CO)COCC)O

InChI

InChI=1S/C19H36O11/c1-4-25-8-10-13(21)12(9-26-5-2)29-19(14(10)22)30-16-11(7-20)28-18(24)17(15(16)23)27-6-3/h10-24H,4-9H2,1-3H3/t10-,11+,12+,13-,14+,15-,16+,17+,18+,19-/m0/s1

InChI Key

GJQHNBFXPPDVQM-KSQRYXQLSA-N

Melting Point

240-255 °C

Density

1.07-1.18

Solubility

INSOL IN GLYCERIN AND PROPYLENE GLYCOL;FREELY SOL IN MIXT OF AROMATIC HYDROCARBONS WITH ALCOHOL;Has an ethyl degree of substitution (DS) in the range of ~2.2 - 2.7. ... water soluble at DS ~1.2 ... Above a DS of ca 2.5, soluble in many polar solvents.;Soluble in most organic liquids

Application

Ethyl cellulose, CP is a versatile polymer primarily utilized for its ability to serve as a hydrophobic coating agent in pharmaceuticals, where it modifies drug release, masks unpleasant tastes, or enhances the stability of formulations by inhibiting oxidation. Its low moisture absorption and dimensional stability make it an excellent choice for forming water-insoluble films in both oral and topical applications. Ethyl cellulose's solubility in various solvents allows for its use in producing durable films, which can be adjusted in solubility with additives. In oral formulations, it operates as a matrix former for modified-release tablets and provides structural integrity as a binder, ensuring low friability and durability in tablets. In topical products, it acts as a thickener in creams, lotions, and gels, ensuring the appropriate texture and consistency. Additionally, ethyl cellulose finds applications in cosmetics and food products, where its properties are harnessed for stability and delivery purposes.

Color/Form

WHITE NEEDLES FROM BENZENE;FREE-FLOWING, WHITE TO LIGHT TAN POWDER;AVAILABLE COMMERCIALLY AS CLEAR FILM OR SHEET;White, granular, thermoplastic solid

Complexity

481

Covalently-Bonded Unit Count

EC Number

618-384-9

Exact Mass

440.225762g/mol

Formal Charge

Heavy Atom Count

Log P

5.5 (LogP)

Monoisotopic Mass

440.225762g/mol

Other Experimental

MEDIUM-TYPE VISCOSITY GRADE CONTAINS LESS THAN 46.5% ETHOXY GROUPS; STANDARD-TYPE VISCOSITY GRADE CONTAINS 46.5% OR MORE;Lowest density of commmercial cellulose plastics; high dielectric strength; softening point 100-130 °C;Inert to alkalies and dilute acids; compatible with resins, waxes, oils, and plasticizers;ODORLESS & TASTELESS /CELLULOSE ETHERS/;The ethoxyl content of ethyl cellulose affects thermal behavior.;Sol in ethyl acetate, ethylene dichloride, benzene, toluene, xylene, butyl acetate, acetone, methanol, ethanol, butanol, carbon tetrachloride. /47% product/;FREELY SOL IN CHLOROFORM, CYCLOHEXANE FREELY SOL IN METHYL ACETATE /MEDIUM VISCOSITY/;/Ethyl cellulose/ forms films of good thermostability and excellent flexibility and toughness.

Refractive Index

Index of refraction: 1.47;FORMS FILMS THAT HAVE REFRACTIVE INDEX OF ABOUT 1.47

Rotatable Bond Count

Stability

Very stable chemically /Cellulose ethers/

XLogP3

-2.4

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