fbpx
Wikipedia

Ethyl methyl cellulose

Ethyl methyl cellulose is a thickener, vegetable gum, foaming agent and emulsifier. Its E number is E465.[1]

Ethyl methyl cellulose

R=H or CH3 or CH2CH3
Names
Other names
Methyl ethyl cellulose; Ethyl methyl ether of cellulose; E465; INS No. 465
Identifiers
  • 9004-69-7
Abbreviations MEC
ChemSpider
  • none
E number E465 (thickeners, ...)
Properties
[C6H7O2(OH)x(OCH3)y(OC2H5)z]n, z = 0.57-0.8, y = 0.2-0.4, x = 3-(x+y)[1]
Molar mass 30000-40000 g/mol[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Chemically, it is a derivative of cellulose with ethyl and methyl groups attached by ether linkages. It can be prepared by treatment of cellulose with dimethyl sulfate and ethyl chloride in the presence of an alkali.[1]

See also edit

References edit

  1. ^ a b c d Methyl Ethyl Cellulose 2018-02-05 at the Wayback Machine, monograph prepared at the 17th JECFA (1973), published in FNP 4 (1978) and in FNP 52 (1992)

ethyl, methyl, cellulose, thickener, vegetable, foaming, agent, emulsifier, number, e465, ch2ch3namesother, names, methyl, ethyl, cellulose, ethyl, methyl, ether, cellulose, e465, 465identifierscas, number, 9004, 7abbreviations, mecchemspider, nonee, number, e. Ethyl methyl cellulose is a thickener vegetable gum foaming agent and emulsifier Its E number is E465 1 Ethyl methyl cellulose R H or CH3 or CH2CH3NamesOther names Methyl ethyl cellulose Ethyl methyl ether of cellulose E465 INS No 465IdentifiersCAS Number 9004 69 7Abbreviations MECChemSpider noneE number E465 thickeners PropertiesChemical formula C6H7O2 OH x OCH3 y OC2H5 z n z 0 57 0 8 y 0 2 0 4 x 3 x y 1 Molar mass 30000 40000 g mol 1 Except where otherwise noted data are given for materials in their standard state at 25 C 77 F 100 kPa Infobox references Chemically it is a derivative of cellulose with ethyl and methyl groups attached by ether linkages It can be prepared by treatment of cellulose with dimethyl sulfate and ethyl chloride in the presence of an alkali 1 See also editEthyl cellulose Methyl celluloseReferences edit a b c d Methyl Ethyl Cellulose Archived 2018 02 05 at the Wayback Machine monograph prepared at the 17th JECFA 1973 published in FNP 4 1978 and in FNP 52 1992 nbsp This article about polymer science is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Ethyl methyl cellulose amp oldid 1214192529, wikipedia, wiki, book, books, library,

article

, read, download, free, free download, mp3, video, mp4, 3gp, jpg, jpeg, gif, png, picture, music, song, movie, book, game, games.