Ethyl methyl cellulose
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Ethyl methyl cellulose is a thickener, vegetable gum, foaming agent and emulsifier.
Its E number is E465.
Description
Chemically, it is a derivative of cellulose with ethyl and methyl groups attached by ether linkages.[citation needed]
It can be prepared by treatment of cellulose with dimethyl sulfate and ethyl chloride in the presence of an alkali.