Hexane / Heptane Question

[UK Explorer]

Hi all,

A friend has yet to attempt an extraction but has just made his first MHRB order. as a UKer, naphtha is a little hard to come by, he can get it but maybe not pure and/or cost effective.

He have read about Heptane being better and may be able to obtain this or Hexane which he has heard of being used as well, both lab grade.

Can anyone with a bit of chemistry knowledge please explain which of these would be best and/or most cost effective:

Hexane isomer mix glass distilled (£7.50 2.5l)

Hexane isomer mix HPLC grade (£7.50 2.5l)

or

n-Hexane 95% HPLC Grade (£10.00 2.5l)

Heptane is available but is double the price

Heptane HPLC Grade (£20.00 2.5l)

n-Heptane Glass Distilled Grade (£20.00 2.5l)

Obviously cost wise he would like to use Hexane but as he's no chemist a little lost on which would be best/purest.

Thanks in advance for anyone who helps out, as soon as he makes a decision on the non-polar solvent he can really crack on!

 

[mandelbrot]

There was a thread concerning this a couple days ago:
Hexane or Heptane? - FAQ - All your basic questions and answers - Welcome to the DMT-Nexus

I'll quote kemist here:

ILPT is terribly sorry. He thought, that SWIM asking about crystalization of dmt no about pulling solvent.

For extracting neither of them !!! (unless one can not get any other solvent at desired purity)

They are always other interesting alkaloids in plants beside DMT and it would be shame to avoid them in SWIM`s extract by using these highly DMT selective solvents. It also involves heating, which is not economical.

ILPT would rather use, stabilized diethyether (he still thinking how would terc. buthylether work), dichlormethane(maybe even tetrachlormethane), or aromatics like toluene (but not xylene), also natural terpene limonene (never tried , but will do)

For re-x he prefer hexane, because he seen it in some papers when this solvent was used for re-x of synthetic freebase DMT as as part of purification process.

Also it has lower boiling point then heptane Smile That`s always good thing


Anyway he has to use heptane nowadays as he cannot get hexane as pure as his heptane . It doesn`t really matter. One need to always go for purest stuff he can get , but if there will be choice btw. pure hexane and pure heptane at the same price, ILPT would go for hexane !!!