pyrogenesis

You need the material to be BONE DRY. If there is any moisture in your trimmings, you are really defeating the purpose of using such a selective solvent. The idea is that you are extracting only the non-water-soluble compounds in the trimmings. Any amount of water in your starting materials will result in impurities in your final product.

So, NO, do not go ahead. I would do just like you said and use the oven on its lowest setting (nothing above 200 F). I know there are several detailed threads on drying methods if you want to research some alternate methods.

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antichris

ok, i couldn't find hexane so i bought some acetone. i'm wondering if "denatured alcohol" is the same as "denatured ethyl". of acetone or denatured alcohol, which would you recommend. hopefully you reply before i go back to home depot.

pyrogenesis

acetone or denatured ethanol will work fine. If that is the solvent you choose, then you needn't worry about a little water in your trimmings; you'll be introducing plenty of impurity anyway.

Read the fine print, but "denatured alcohol" and "denatured ethanol" or "denatured ethyl" are probably all the same thing. That is, they are ethanol (aka ethyl alcohol) that has been denatured with methanol so that it is non-consumable.

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antichris

I am having immense difficulty finding hexane at any local paint store. Not just the retail stores, but wholesale stores and other such places. It is the solvent I would like to use. If you have any other suggestion on how I may find what I'm looking for please feel free to help. Possibly, could you post a picture of a can of hexane so I may at least have some idea of what I'm looking for. Maybe the distributors address off the can. Anything can help, thanks again.

pyrogenesis

Okay, I didn't realize hexane was so difficult to find. I made the tutorial, so I feel a resonsibility to find this for people. I did a search myslef and emailed a bunch of suppliers, so I'll let you know when I hear back.

On the other hand, hexane is by no means the only solvent that can be used to achieve our desired results; it is just the preferred solvent because of its ease of use. Hexane belongs to a class of solvents called "low boiling point aliphatic hydrocarbons". If you can't find hexane, you can easily substitute for another low boiling point aliphatic hydrocarbon.

A hydrocarbon is a compound that contains hydrogen and carbon. There are generally 2 types of hydrocarbons: aromatic and aliphatic. Aromaticity has nothing to do with how they smell; it has to do with the ring structure of the hydrocarbons - more than we need to know here. Many aromatic hydrocarbons are hazardous, some are even carinogenic (such as benzene). They would work wonderfully for this procedure, but we don't need to take on this added risk, so we will stick with aliphatics.


**I began typing a list of acceptable solvents when I came across this link: http://www.erowid.org/psychoactives/...solvents.shtml

It is very thorough, and most of it is pretty accurate, except for the section on THC. (The author calls THC a polar compound [wrong], then on the next line contradicts himself by saying that it is insoluble in water

My recommendation would be to use Naptha or mineral spirits. Before you do, fill a small glass dish with some of the solvent, and allow it to evaporate (you can gently heat it). After it has evaporated, make sure there is no residue or odor. I have read many other people's essays who have used either VM & P Naptha or Mineral Spirits (I am now going on 3 hours typing this reply), and they all swear that there is no residue, but as I have not used it myself, I won't tell you that it doesn't.

Both of these mixtures will work just as well as hexane and 100 times better than ethanol or acetone. They have higher boiling points than hexane, so the evporation will take a bit longer.

I also posted a picture of what they look like. These are by the ethanol and acetone (paint solvents) at Home Depot.

Attached Thumbnails

 

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sdavis29

it is very hard to find...i also have been to many paint stores art supplies etc with no luck.....hope you get a reply...
this project looks to good to miss

growplantgrow

Thanks for all the info you've provided. I just started growing my first crop a few days ago but am already looking forward to cooking up some of the "chocolate" you've described in a couple of months.

What else is hexene used for? Do people at the paint stores know what smokers use it for? I'm in a semi-small town and don't want to get too many questions if it's a questionable product and would rather have another valid reason to give them if asked.

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sdavis29

sherwin-williams and porter paints along with a few art supply houses have never heard of it..looked at me like i was from mars..
from trying to find it on the web..seems like it may be used in auto industry..but cant find it there either....good luck..if i happen to get lucky will let everyone know

Fgid1

Great thread & link.I read the whole dang page!IF I were to use a solvent and make hash oil,wich of these would you-pyrogenesis-recommend;Mineral Spirits or VM&P Naphtha or Butane?Ill take other opinions as well of course .

Biker

butane is a vapor at room temperature, making it very difficult and dangerous to work with, unless you're a suicide bomber.

I've made the oil with naptha and it came out great. I evaporated the filtered solution in a pyrex pie plate over an electric wok. Use only electric heat of course. without heat, the evaporation process would take a while, and, according to the erowid link, might not even finish.

I can go into more detail on my experience, but I basically followed this thread's method.

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