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
CAS Number	9004-69-7
Abbreviations	MEC
ChemSpider	none
E number	E465 (thickeners, ...)
Properties
Chemical 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

• Ethyl cellulose
• Methyl cellulose

References

1. 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)