As a former research chemist... um... NO.
Hexane is far more difficult to evap off than butane, and the evap process should NEVER be done on a stove under ANY circumstances, the two most obvious reasons being the danger of exploding fumes and the fact that I can GUARANTEE you do not have an extractor hood over yoru stove. Hexane is evaporated in a lab setting in a device called a rapid-vap, which is sealed and under a slight vacuum with an inert gas such as nitrogen being blown across it, GENTLY heated with a heating block meant for heating dangerous solvents, and gently agitated.
Stick with the butane, and stop stealing shit from your school...
stinkyattic Reviewed by stinkyattic on . Hexane THC extraction to make hash. Laboratory grade hexane is expensive but if you catch yourself in a chem lab at some point interning as an undergrad or in grad school then you can try this out. Hexane is really volatile. I can't stress enough how important it is to keep the work area very very well ventilated. All windows open and a fan or two especially if you have over 1 liter of the chemical. The following process was done to just the leaves and stems of the plant. The leaves were put into a blender. Rating: 5