Well, it depends on how your facility is set up and if you are able to operate in an explosion proof environment. Pentane is great for crystallization but has a lower BP and higher vapor pressure than Hexane which is 3x more neurotoxic. I would suggest reading into some crystallization methods that are posted here publicly in order to familiarize yourself with the process and required equipment/materials.
You might take a gander at this thread where they are using Heptane: