By heating the coloured dimethyl ether with caustic soda, the monomethyl ether is obtained (O.
It is to be noted that the colourless monomethyl ether fluoresces strongly in alkaline solution, the dimethyl ether of melting point 208 deg.
On oxidation with nitric acid caffeine gives cholesterophane (dimethyl parabanic acid), but if chlorine water be used as the oxidant, then it yields monomethyl urea and dimethyl alloxan (E.
Acetic anhydride converts the base into an acetamino-dimethyl pyrimidine, acetic acid and acetamide being also formed.
Monomethyl and dimethyl aniline are colourless liquids prepared by heating aniline, aniline hydro-chloride and methyl alcohol in an autoclave at 220°.
Great care should be taken in using dimethyl and diethyl sulphates, as the respiratory organs are affected by the vapours, leading to severe attacks of pneumonia.
Defn: A liquid hydrocarbon obtained by the decomposition of veratric acid, and constituting the dimethyl ether of pyrocatechin.
Defn: That variety of xylene, or dimethyl benzene, in which the two methyl groups occupy the meta position with reference to each other.
Defn: Any one of three possible metameric substances, which are dimethyl derivatives of thiophene, like the xylenes from benzene.
CH3)2, beingdimethyl benzenes, and are called respectively orthoxylene, metaxylene, and paraxylene.
Sodium dimethyl arsenate, as described in New and Nonofficial Remedies, contains 3 molecules of water and 35 per cent.
This indicates that the sodium dimethyl arsenate used in Venarsen contains less water of crystallization than the N.
It condenses readily with aniline to give [alpha][gamma]-dimethyl quinoline.
A liquid hydrocarbon obtained by the decomposition of veratric acid, and constituting the dimethylether of pyrocatechin.
That variety of xylene, or dimethyl benzene, in which the two methyl groups occupy the meta position with reference to each other.
Any one of three possible metameric substances, which are dimethyl derivatives of thiophene, like the xylenes from benzene.
As is shown by the various syntheses of the base, it is the methyl hydroxide of dimethyl glycocoll.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "dimethyl" in a variety of sentences. We hope that you will now be able to make sentences using this word.
