Methyl And Ethyl Sulphates
Description
This section is from the book "Alcohol, Its Production, Properties, Chemistry, And Industrial Applications", by Charles Simmonds. Also available from Amazon: Alcohol: Its Production, Properties, Chemistry, And Industrial Applications.
Methyl And Ethyl Sulphates
The most important of these industrially are the dimethyl sulphate and the salts of monoethyl sulphate. The former is much used as a methylating agent, especially for phenols and for amines of the aromatic series. The reaction in the latter case is expressed by the equation: - (CH3)2SO4 + 2RNH1 = RNH1CH3HSO4 + RNH(CH3).
The salts of ethyl hydrogen sulphate are employed for ethylating phenols - as, for example, p-nitrophenol in the preparation of phenacetin; and for the making of ethyl mercaptan, etc.
These alkyl sulphates serve as a cheap raw material for use in
1 Millon, Ann. Chim. Phys., 1843, [iii], 8, 233.
2 Lossen: Annalen, 18G8, Suppl. 0, 220.
A A such operations as the foregoing. The dimethyl compound especially has been of signal service in the synthetic dye industry.
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