Author Topic: (reddit) More Methamphetamine Cuts (n-isopropylbenzylamine) + a *purity test*  (Read 401 times)

Offline Chip (OP)

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copied and edited from source: https://www.reddit.com/r/Stims/comments/7yctn3/latest_findings_on_nisopropylbenzylaminecut/
picture source: www.thevespiary.org

Latest findings on n-isopropylbenzylamineWiki-cut methamphetamine [Feb 2018]


Background

For anyone unfamiliar, Mexican cartels have been heavily cutting the meth they make before smuggling it into the US. This has been happening since about February 2017. Not only are the crystals of this shit super huge and super clear, but people have to buy a lot more to get the same effect! Although not everyone has a noticeable reaction from n-iso, the people that do typically experience headaches, lethargy, listlessness, procrastination, and/or confusion. The effects are usually mild, but since there's not much methamphetamine at all in most of this bullshit that's being sold, those effects can add up.

Chemical Properties

The best test for pure methamphetamine is the melting point test. you basically set up a double-boiler type system, with hot oil (mineral oil is best, vegetable oil is okay) in the outer vessel and shards in the inner one. Heat the oil with a thermometer in the shards until they all melt. (Temperature should be 180˚C+ in this state) Then shut off the heat and keep an eye on the temperature. Record the temperature that you first see crystals, then record the temperature when the entire mass has solidified. The closer those temperatures are together, and the closer those temperatures are to 170-175˚C, the purer the methamphetamine is likely to be. The tweaker version of this is "crackback", where you watch methamphetamine solidify in a pipe. If it solidifies slowly around the edges first, with a molten spot in the middle that gets slushy-looking before solidifying, that means it's cut. If it solidifies in a wave, starting at a few points on the edges and moving inward, then it's pure. Those things only signify purity though, not what substance it is. However, this is still the best test you're going to find for purity, and it will still apply no matter how many new cuts they come out with.

Since n-iso and methamphetamine are very similar types of chemicals, most solvents will dissolve both of them or neither of them. So you can't just wash away the n-iso with acetone, like you can with MSM.

A test I came up with for n-iso that proved to be popular, was dissolving it in 90% isopropanol in a concentrated solution, putting some on a flat surface, then examining the patterns of the crystals.

I've described the patterns that n-iso-cut meth forms when evaporated from isopropanol as "bizarre", "dramatic", and "something from a Tim Burton movie". The reason is that methamphetamine forms cocrystals with n-iso, and those cocrystals are a completely different structure from either methamphetamine or n-iso. So you have at least three different types crystal growth going on, and the crystal type will switch up as concentrations change. This gives it strange patterns as crystal type will alternate between multiple different ones as the solvent evaporates.

Research

I haven't been able to afford to do the research I would like as far as studying what the fuck is in all this crystal clear weak-ass meth that everyone seems to be coming across these days. But, I've had a few people help by giving me information, which I can then use to see the bigger picture.

So how about some visuals? First of all, this stuff looks very fake to me:

https://i.imgur.com/dNpOrVr.jpg

Real methamphetamine is cloudy, not perfectly clear. The brown color is something I haven't seen before though. I suspect that since a lot of home-cooked meth is brown in color, and that's typically a lot purer than what's been coming out of Mexico lately, some people are probably now seeking out the brown stuff specifically. So what do you do when your clear stuff is selling for less than brown stuff? Why, add brown food coloring, of course.

This is just my opinion, and I have no idea if that's what was done here.

Here are two photos of heavily-cut methamphetamine crystallization patterns. I do not have any photos of real methamphetamine, because of how ridiculously rare that is these days.

EDIT: Chip found a 14 year old picture of real MA:



On a flatbed scanner:

https://i.imgur.com/gc4p8oc.jpg

Close-up:

https://i.imgur.com/f6Uv90j.jpg

The biggest difference is that n-iso forms flat, plate-type crystals extremely easily, whereas methamphetamine is actually pretty hard to coax into forming crystals, and they will usually be kind of crusty and hard to grow larger than rice grains without putting a lot of effort into it. One of the easiest visual tests for n-iso is by looking to see if there are a lot of smooth, very flat crystal facets. For instance, in the following image, you can see a large flat facet pretty easily. These types of facets are something you usually only see in real methamphetamine from where it was touching the container.

https://i.imgur.com/e9fUyQh.jpg

« Last Edit: August 28, 2018, 02:55:23 PM by Chip »
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Offline Esoteric Anhydride

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Looking at the crystal patterns is smart, it's true that all these substances have different crystalline forms, and some are very different looking. Some make needles, some flat "plate" like structures, some angular, etc.

Things have changed a tremendous amount since I was bouncing down the street buying tweak, and I don't have a ton of experience with "ice", but IMO good speed is really potent shit and you can't tell much by color cos it's all been cut anyway. When it was considered speed or meth and not ice, shit could be all kinds of colors. One of the best bags I ever got was a little quarter gram of this rock purple-red dope and YEEEHAW that shit was fire. That little quarter kept like 4 of us awake for 3 days.

Something else that could probably be done to find out how many substances are in the dope, is like a ghetto "tlc" test. TLC is "thin layer chromatography" and is a lab technique used to look at basically the number of compounds in a solution. It's used , to say, monitor the progress of a reaction.

The basic premise is that say two different substances dissolved in a solvent have different properties, especially like just HOW soluble they are. I haven't done this I'm just proposing from theory here, but if you take a chip (lol chip) and dissolve it in the smallest amount of isopropyl possible, then take a drop of that solution and put it on a piece of white paper, like maybe a tissue or paper towel. Lab procedure would have one then place that paper (or a plate in their lingo) in a closed area rich with fumes (maybe an upside down glass with a cap of solvent), and then you watch the spot dissipate out into the paper or whatever medium then the different substances and their different properties should behave.. differently. This probably sounds like a lot of work, but a lot can be learned about the specific contents of something like a random bag of dope, like just how many different chems are in that bag.

Seems like there are probably a shitton of products out there that make big clear crystals. If I was into speed I think I'd be pretty interested in exactly what people are using for cuts. Like levimasole in crack - fucking YUCK. That's just nasty! Careful out there folks..

Offline Mr.pooper

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I have noticed all the Tweak around me is some WEAK. Literally i can smoke it none stop and not get anything from it.

Also noticed none of it actually tests for actual methamphetamine. seems like there is a few different things passed off as crystal these days.

--**Also a harm reduction reminder, ive posted about it before. 9 out of 10 batches of crystal i test as of now in 2018 pop positive for the presence of Fentanyl. ANother side side note, coke, molly, and every pressed pill(xanax bars, oxys, norcos etc.) also have tested postive for fent too.** Be careful out there. FUck the people behind this shit. Imma have to start testing my weed for fent soon =(
"If only I had checked myself"
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