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H3po4 with NaBr to produce HBr? Going to try this in a minute. Got plenty HBr, but just curious if the 2 react.

Thin red top 🤩

Sidenote: I have no degree in chemistry. What I described above is just my experience and may, or may not be, scientifically correct.

I dont care about yield percentage game since it's all margins talk. I'll explain below. To your question: when done correctly, ~55% is possible. Acidification process is more or less the same. Check out the Video (and thread), and New thread More than yields, I care about failures. And in...

Are you sure about that, or is the recipe wrong?

That green happens when it's either too hot (not noticing solvent boiling due to stir), or sitting too long (eg: in ethylacetate for 6 hours), but mostly a combination of those. I've had this twice and both occasions I fell asleep.

Yes. Without triethylamine. But despite its speed, this is not a route I use regularly.

3-mmc is cleaning up your house with a smile and horny as *****

Yes, what i sent first time was 3-mmc, and this time sent 4-mmc. They differentiate very well.

I submitted a sample of some recent self-made mephedrone to the lab and it came out 93%, which suggests higher purity than the commercial preban sample . So now I'm even more confused since this tastes so soft, no throat hit, effects are less. I would, without hesitation, trade in 1 kg for...

Just use correct (own) details. You attract more attention by using empty addresses, mailboxes or other constructions. If they want you they'll get you anyway. Make sure you know local law, and make sure you have a "somewhat" plausible story

Discounter is my home supplier 👍

Wh wingroup was banned here after multiple issues with them. So please don't recommend them.

If you buy electric, do yourself a favor by spending extra to get a glas probe. Otherwise it will dissolve (yes, been there)

how to get it crystallized? When creating a saturated solution in isopropanol, and letting it stand, the entire content will "crystallize" (with multiple wet inner parts)?

If you live in the usa as you say, you should be able to get sulfuric acid easily. You can get sodium-nitrate easily. So you can get fuming nitric acid easily by adding the acid to the salt and setup for simple distillation (apparatus should tightly assembled using grease to minimize fumes...

Well, I did not follow the procedure 100% which could clarify. I just set it up, adding dropwise and go to sleep. Next morning it was way to hot and I reduced addition. Then 8 hours later noticed that addition has stopped while the mixture was full of crystals and I opened the valve, which added...

Woops. You're asking propiophenone. Sorry. Should work about the same though

Depends if you use a solvent and what method you use. I've done the HbR h2o2 route overnight + day. dropwise addition, stirring overnight and day. check every couple hours. If you have Elemental bromine and using a solvent it can be done in 30/45 minutes . For me the former method takes...