Shellac is not particularly dangerous or toxic. However, it may be dissolved in methanol which is poisonous.
$15.00 PER POUND
Shellac has been in use as a binder and fuel for many centuries but has been gradually replaced by Red gum. However, it is still sometimes claimed that shellac is a superior fuel for use in colored compositions. It is a somewhat brittle but strong resin that dissolves in ethanol and acetone, albeit slowly.