In the United Kingdom this "denaturized" alcohol is known as methylated spirit as a distinction from pure alcohol or "spirits of wine."
This spirit ("unmineralized methylated spirit") consisted of 90 parts of alcohol of 60-66 over-proof (9 1 -95% of pure alcohol) and 0 parts of wood-naphtha.
Each of corrosive sublimate and carbolic acid in i gallon of methylated spirits.
Cyclo-heptene, C 7 H 121 is obtained by the action of alcoholic potash on suberyl iodide; and from cyclo-heptane carboxylic acid, the amide of which by the action of sodium hypobromite is converted into cyclo-heptanamine, which, in its turn, is destructively methylated (R.
The portion distilling at about 200° C. is then methylated by means of methyl alcohol and methyl iodide at loo-i io C., the excess of methyl alcohol removed and the product obtained decolorized by sulphuric acid.