No way. What chemical does it have that other tobaccos don't? Tobacco smoke in general has chemicals that cause cancer, but something toxic enough to burn your mouth is another story. If toxic chemicals were the cause, then how come cigars don't cause tongue bite until you smoke down to the nub?
I'm telling you blokes, tongue bite is caused by hot matter entering the mouth. Hot oil isn't too far off the mark, because there are oils in the smoke.
It looks like the temperature varies depending on who does the study.
Look at this one:
Many of the harmful constituents found in the smoke from a conventional cigarette result from the burning of tobacco. Lowering the temperature at which the “smoke” is generated means that nicotine and some aroma compounds are still released, but the user may no longer be exposed to many of the com…
www.utwente.nl
"When a conventional cigarette burns, the burning tip reaches a temperature of about 900 degrees Celsius."
I should have looked at more articles. Plus, I was looking at the burn temp of cigarettes, which apparently contain jet fuel.
Regardless, my point stands. yanoJL's google findings show a temperature hot enough to damage the tissues in the mouth.
Ya think doctors just make stuff up? Smoker's kerotosis is real, and roughly half of pipe smokers have it. It's caused by extreme temperatures in the mouth, which I believe also causes tongue bite.