<unk> <unk> iary-butyl ether <unk>  is a chemical compound with molecular formula C5H12O. <unk>  is a volatile, flammable and colorless liquid that is highly soluble in water.<unk>  has a minty odour vaguely reminiscent of diethyl ether, leading to unpleasant taste and odour in water.<unk>  is a gasoline additive, used as an oxygenate and to raise the octane number, although its use has declined in the United States in response to environmental and health concerns.  It has been found to easily pollute large quantities of groundwater when gasoline with<unk>  is spilled or leaked at gas stations.<unk>  is also used in organic chemistry as a relatively inexpensive solvent with properties comparable to diethyl ether but with a higher boiling point and lower solubility in water. It is also used medically to dissolve gallstones.
Methyl tert-butyl ether
Triphenylmethane
Tetrachloroethylene
Acetylene tetrabromide
Pentafluoroethane
Vinyl ether
Diethyl ether
Trichloroethylene