volatile substance

Has the reader ever considered the relations of commonest forms of volatile substance?

The first product is a light-colored, volatile substance, sometimes called naphtha, that is very explosive.

The liquid is ultimately converted into the sesquichloride of carbon, which is a white crystalline, volatile substance.

Aldehyd (see above) is an exceedingly volatile substance, and easily dissipated by a slight heat.

For this purpose you will require a killing bottle or box containing some volatile substance.