Greg,
Stoddard solvent should be another thing. Some lighters have some stoddard, but the CAS. it is different, so it is not a synonimus, but a different thing. The important difference is that stoddard contains an appreciable percentage of aromatics, not fit for diesel, and the lighter should smell somewhat When the lighter is good it should be absolutely clear and with no odour. It should resemble a very fluid oil mist. Really difficult to standardize. Maybe a branded product should give repeatable results. Ronsonol lighter fluid could fit
http://pages.slc.edu/~aschultz/chemi...ER%20FLUID.PDF .
Ugo