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Webster 1913 Edition
Ethylsulphuric
Ethˊyl-sul-phu′ric
Adj.
(Chem.)
Pertaining to, or containing, ethyl and sulphuric acid.
Ethylsulphuric acid
(Chem.)
, an acid sulphate of ethyl,
H.C2H5.SO4
, produced as a thick liquid by the action of sulphiric acid on alcohol. It appears to be the active catalytic agent in the process of etherification.