In 1840 Christian Schonbein followed his nose to identify this form of oxygen & named it from the Greek for "smell"
1857:
First... [DOC] [TLE] Sniffing Landmines - American Chemical Society [PAR] identify some 2,000 landmines over three ... bon forms the soot that is typical of a 
tNt ... releases an impurity called 2,4 -dinitrotoluene ... sniffing to identify gasoline.