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MDMA crystal purity question

A

AmsterTram

Bluelighter
Joined
Oct 19, 2009
Messages
214
Location
Amsterdam, NL
Here in the Netherlands we can get our molly/crystal tested for purity level. I understand the max purity of MDMA is 84.xx%.

My question: Is there really a big difference in effects between say 83% and 78% purity? Can the user really tell the difference. Can you just take a bit more of the 78% to obtain the same results?
 
mdma can theoretically be 100% pure. practically anything over 99,x% would be a lot of purification work.

if there's a difference depends on what the cuts are. if they are simply lactose or another inactive compound you can just take more to achieve the same effect. if the cut is caffeine, amphetamine or any other active substance there will of course be a difference if these are present in relevant amounts.
 
Right, purity of illegal drug supplies peaks in the mid to upper 90s.

Is there really a big difference in effects between say 83% and 78% purity? Can the user really tell the difference.
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Probably not. Obviously having less active drug will reduce potency, but 5% isn't a very big difference.

Can you just take a bit more of the 78% to obtain the same results?
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Yes, assuming the 'other' stuff in it isn't particularly psychoactive in its own right (which should be a safe bet in cases where the drug hasn't been deliberately cut with another drug.)
 
most molly isn't cut with other substances that will have an effect on you, so usually if you have really shit molly, you could still roll balls if you took alot, without being tweaked out, compared to taking alot of meth bomb pills with low mdxx.

this isn't always true, but from what i've seen, it's alot easier to cut it with inactives.
 
about purity...

The everlasting discussion about purity seems to imply 2 different concepts:
  1. the amount of mdma present in a pill, i.e. how many miligrams of mdma is in it
  2. the purity of the mdma itself


earlier in this thread someone said that mdma can be max. 84% pure. that is correct, however, you need to know how to interpret this number...
mdma is usually a salt (crystal): mdma*hcl . other salts can be sulfates, fosfates etc...
the molecular weight of the hcl part is 16. this means that in every 100 grams of mdma.hcl there is 16 grams of the .hcl in it.

The dutch testing system takes the molecular weight of the base form of mdma as a reference point. every salt has a different weight so they work the mdma back to its base form in order to determine the exact purity of the mdma itself. this means that a 100 gram sample can contain 84 grams of mdma base maximum, hence the 84%. you need to multiply this with approx. 1.2 to get the real purity : 84*1.2= 100%.

the sample mentioned earlier was said to be 78% pure, which means that out of a 100 gram sample there is 6 grams of byproducts from the production process present in it. (these are usually pretty toxic and cause hangovers as well as the different colors of the crystals. for instance: a pinkish crystal has been gassed too long in the crystallization process, ph was way too low and this stuff dropped out too)
so the real purity of this 78% sample is 78*1.2= 93.6, which is OK I guess, but substandard when evaluated against pharmaceutical standards.

hope this clarifies the subject a bit...
 
ABCDFG I Ate The E said:
most molly isn't cut with other substances that will have an effect on you, so usually if you have really shit molly, you could still roll balls if you took alot, without being tweaked out, compared to taking alot of meth bomb pills with low mdxx.

this isn't always true, but from what i've seen, it's alot easier to cut it with inactives.
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"Molly" is a very vague and incorrect term, popularly used to describe capsulated powder MDMA, and I can most definitely vouch that any caps could be just as adulterated and cut as pressed pills. it is just as easy to mix in bunch of crap and rc's to caps! Ive had too many bad experiences in the past with caps and would only get ones that are in the smallest capsule size or nearly half full and still have bits of tan shards in them...

plus op has pure MDMA crystal and is just asking about the difference in effects of from different purity % from different batches...ur completely off topic
 
Seems to always be the common misconception that mdma is maxed at 84% pure. Molar mass of mdma (freebase) is 193.25 g/mol, and the corresponding hcl salt, 229.7 g/mol. 193.25/229.7 ~ 0.84. Freebase is a liquid at stp, not very convenient for transport or distribution, not to mention it can burn tissue when exposed. The issue with purity deals more with what it is cut with, if it in fact cut, and leftover reaction products from a crappy workup following synthesis. Can only speak for the latter, it really comes down to the skill of the producer, how much they care about purity, and what route they took, as different routes result in different potential contaminants. Given a good workup, and with re-crystalizing one should have a pretty pure product, >99% (100% is impossible). Cut a few corners, skip a wash here, there, for whatever reason to save time or money, and the incident of leftover rxn products in the final material is increased sig. Yellow crystals vs white, is the most apparent sig to the end user, melting point is also a good indication for those who know how. Not that any of the by products are likely to kill you with a single dose, but chronic exposure to things like hg which bio accumulate can take its tool over time.
 
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