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but it´s positive for methylone?

i don´t know, i got 8,5 grams powder from 10 grams of precursor.

I have tested the supposed methylone hydrochloride that I have just synthesized with the help of an anti-drug test from the brand (EZTEST) but I cannot appreciate the colors well, so I don't know if it tested positive for methylone. Thank you all!

what the hell is a catalyst in hydrogenation, I've searched for information but I still don't understand it, is it a chemical product that accelerates a chemical process?

and with 1 liter of PMK, how much MDMA can be obtained? Thank you, all!! :)

Thank you all!!

I also believe too that my chemical precursor (CAS: 52190-28-0) is impure and dirty. According to the Chinese supplier, it has a purity of 99%, but I think he deceived me, how can I know, that is, to ask him for some laboratory document, in which he reports that said chemical precursor has that...

now I will have to wait several days until crystals form.

but you can appreciate the color of the drug test, it doesn't seem to be red as indicated for methylone positive, rather brown.

i started with 10 grams of precursor (CAS 52190-28-0) which I dissolved with 50ml DCM, then mixed well by hand with a spoon until precursor was properly dissolved, then added 20ml methylamine 40% aqueous solution to the dissolved precursor and in a very short period after mixing with the spoon...

;)

I have no idea about chemistry, I'm trying to learn, I understand that for example, MDMA in crystal form is usually more pure than in its hydrochloride form, then 4-MMC, bk-MDMA...) in crystal form it should be more expensive than in the hydrochloride form since it would be more pure. but what I...

what´s the point of crystals and not leave it in the hydrochloride form? I don't think a crystal can be snorted. can you explain it to me, thank you!!

I just received 1kg of the precursor (CAS: 52190-28-0) 2-Bromo-3′,4′-(methylenedioxy)propiophenone from a Chinese supplier. I paid 280 dollars for 1kg with shipping included, from 25kg I will pay 200 dollars per kg with shipping included, it is an expensive precursor, the purity is 99%, the...

My friend, I hope you're okay, why are you saying that much methylamine gas is escaping? According to the chemical synthesis described in the forum, it says that the container must be opened during all the entire synthesis, so it is normal for the methylamine gases to escape since it will not...

And for mephedrone (4-MMC)?

Thank you!! ;)

I want to try the chemical synthesis of bk-MDMA I already bought all the necessary chemicals, I will start directly from the precursor 2-Bromo-3',4'-(methylenedioxy)propiophenone (CAS Number: 52190-28-0) since I already bought it from a Chinese chemical supplier and I paid 280 dollars for 1kg...

Sodium borohydride?