Lets make Hexane Hash!! **COMPLETED** - Hashish, Oils & Tinctures

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Psuper
حشيش حشّاشين

Registered: 04/21/08
Posts: 265
Loc: Left Coast
Last seen: 4 years, 10 days

Re: Lets make Hexane Hash!! **COMPLETED**

[Re: God]
#499177 - 11/18/10 03:26 PM (14 years, 4 months ago)

If you guys are worried about how the end product is dried here's a couple random things:

Instead of using a pyrex dish in a hot water bath, consider using a hot canola oil bath instead. The oil can be brought up to a higher temperature than water and you will be free from steam and water droplets. Hot oil baths can be used to decarboxylate hash oils with the canola oil at about 240°-250°F. You don't need temps that high for iso or hexane though.

Because you want a somewhat lengthy "drying/purging" period with hexane, consider speeding up the process by dissolving what's in your dish with ethanol or isopropyl alcohol than evaporating that.

Here's a fantastic post by Gray Wolf over on ICMag about this:

Quote:

As a Hex molecule, it is completely non polar, and does a very clean extraction, but is a heavy enough molecule to be more difficult to purge than butane or alcohol.

I put my plant material and hexane in a jar and periodically shake for about 12 hours at ambient. I then decant through a strainer and filter before evaporating off the hexane.

My attempts to purge deep pools of oil with hexane residual left in it were not totally successful, so I have found best to first evaporate off the hexane in a shallow dish with a fan or vacuum, redissolve in ethanol, and cook that off to purge the rest of the hexane.

The extract has a drier appearance than BHO and a hashy flavor. Residual hexane tastes like gasoline.

Ghetto hexane can be procured by using electronic cleaning products like MG Contact Cleaner, which is hexane with enough fluorocarbon propellant to make it an aerosol.

I also use hexane to steal the goodies away from an alcohol extraction, to get rid of undesirable water solubles picked up by the alcohol.

If you mix the alcohol extraction with equal parts hexane and saturated salt water, the hexane will absorb the cannabis oil and rise to the top, leaving the alcohol and water mixture on the bottom in a separatory funnel.

Easy to then bleed off the water and alcohol, replete with all the garbage, before evaporating off the hexane, and ending up with a pristine extraction.

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Psuper
حشيش حشّاشين

Registered: 04/21/08
Posts: 265
Loc: Left Coast
Last seen: 4 years, 10 days

Re: Lets make Hexane Hash!!

[Re: mixedup]
#531453 - 02/28/11 12:53 AM (14 years, 1 month ago)

Quote:

mixedup said:
Quote:

coda said:
Quote:

claiming something will work just as well as BHO is a big claim.

butane converts inactive alkloids into active ones.

Butane also extracts THC only, other active alkaloids are left behind which hexane picks up.

Source?

While I don't have a published source either, what Coda is saying is just what i understand as well. Deeper in the plant tissue is water, chlorophyll, waxes, oils, alkaloids. According to GrayWolf over on ICMag cured bud can be up to 15% water in addition to the other stuff I just listed. That's a good unofficial source.

Butane and quick-washed alcohol runs do "quick" extractions and don't dig this stuff out apparently.....the most experienced hash makers (not me) have more-or-less been able to "test" that by comparing second runs on the same material, or by refining hash. Or, think about the difference in effects between a crude alcohol extraction of cannabis compared to BHO or a quick-washed isopropyl, if you've tried both-- different hash, because the crude alcohol soak gets most everything out of the starting material water, alkaloids, oils, etc., while the quick-wash iso only gets a little bit of that stuff from the inside.

Same goes for the comparison that Coda gave of BHO vs. hexane. In my opinion anyways.

I don't think anyone's thinking of these alkaloids as contaminants when they're smoking really good bud, but there in their. Medicianal alkaloids are even obtained from roots apparently:
http://archives.hempembassy.net/hempe/resources/blairvanpeltcannabisroot%20_NXPowerLite_.pdf