It's hard to find in pure form. Heptane sold as “Bestine” is an easier to find alternative. SWIM likes heptane much more than naphtha. It evaporates faster and boils at a lower temperature than naphtha.
the nice fellow in my dreams uses bestine brand n-heptane for his extractions and loves it. Evaps quicker, yields a cleaner spice w/o multiple (if any) re-x, and heats up quicker if you want to do any heated pulls. This brand evaps clean but is slightly more expensive, although def worth the extra couple of bucks. He goes to Micheals Arts & Crafts to get it, but told me that it's the only place he knows of. hope this helps.peace
Great stuff! However, I suggest searching at local art supply/specialty art supply stores before resorting to Michael's simply because I noticed the price at a Michael's in my neighborhood to be $13/pint, whereas I've been paying just over $8/pint at a local art supply store.
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