The stuff is designed for the job, is easily available and pretty cheap.
If you're worried about envrironmental or health issue, then consider something else other than lacquer based varnishes
On the other hand if the concern is that the lacqueris too hot for the paint underneath, the trick is to build up lacquer in mutiple fine coats rather than trying to get a full wet coat on the first pass - this way the solvents evaporate before they can mess up the underlying paint
