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araffin series, forming the essential radical of ethane, and of common alcohol and ether. Ethyl aldehyde. (Chem.) See Aldehyde.

with an ammoniacal odor. It is a strong base, and is a derivative of ammonia. Called also ethyl carbamine, and amido ethane.

A compound derived from ethyl alcohol by the replacement of the hydroxyl hydrogen, after the manner of a hydrate; an ethyl alcoholate; as, potassium ethylate, C2H5.O.K.

ence called olefiant gas. Called also ethene, elayl, and formerly, bicarbureted hydrogen. Ethylene series (Chem.), the series if unsaturated hydrocarbons of which ethylene is the type, and represented by the general formula CnH2n.

Pertaining to, derived from, or containing, ethyl; as, ethylic alcohol.

An unsymmetrical, divalent, hydrocarbon radical, C2H4 metameric with ethylene but written thus, CH3.CH to distinguish it from the symmetrical ethylene, CH2.CH2. Its compounds are derived from aldehyde. Formerly called also ethidene.

Any one of the several complex ethers of ethyl and glycerin.

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.

iquid, NH(C2H5)2, having a strong fishy odor resembling that of herring or sardines. Cf. Methylamine.

Ethane; -- sometimes so called because regarded as consisting of two methyl radicals. See Ethane.

essential residue of methane, and appearing as a component part of many derivatives; as, methyl alcohol, methyl ether, methyl amine, etc. [Formerly written also methule, methyle, etc.] Methyl alcohol (Chem.), a light, volatile, inflammable liquid, CH3.OH, obtained by the distillation of wood, and hence called wood spir…

x ether, and having a pleasant ethereal odor. It is obtained by the partial oxidation of methyl alcohol. Called also formal.

See Methyl amine, under Methyl.

An alcoholate of methyl alcohol in which the hydroxyl hydrogen is replaced by a metal, after the analogy of a hydrate; as, sodium methylate, CH3ONa.

Impregnated with, or containing, methyl alcohol or wood spirit; as, methylated spirits.

ut regarded as an essential residue and component of certain derivatives of methane; as, methylene bromide, CH2Br2; -- formerly called also methene. Methylene blue (Chem.), an artificial dyestuff consisting of a complex sulphur derivative of diphenyl amine; -- called also pure blue.

Pertaining to, derived from, or containing, methyl; specifically, designating methyl alcohol. See under Methyl.

A poisonous nitrogenous base (C6H10N2) obtained indirectly from oxamide as a thick transparent oil which has a strong narcotic odor, and a physiological action resembling that of atropine. It is probably related to pyridine.

Methyl oxamate, obtained as a pearly white crystalline substance.

Formic aldehyde, regarded as a methylene derivative.