DMT N-Oxide to Freebase DMT

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Note error.png Note: This page is a transcription of 69ron's DMT N-Oxide to Freebase DMT[1]. The content is to remain accurate as such.

After careful study, here is the basic method SWIM now uses for converting DMT N-Oxide into DMT.


  1. Dissolve 200 mg of DMT N-Oxide in 3 ml of acetic acid (vinegar).
  2. Add 200 mg of zinc dust.
  3. Mix for 2 hours.
  4. Dilute to 10 ml with water and bring the solution up to pH 9.5 or higher with sodium carbonate (or any other base you like).
  5. Extract 3 times with 5 ml of DCM (20 ml if using naphtha).
  6. Filter the DCM and evaporate to yield slightly less than the theoretical maximum of 184.33 mg of freebase DMT.


Why use 200 mg of zinc dust? The standard is to use 3 molecules of zinc dust for every 1 molecule of alkaloid N-Oxide for this to be very effective. DMT N-Oxide is about 3.12 times heavier than zinc. In terms of molecule count, 200 mg of DMT N-Oxide molecules would be equivalent to 64 mg of zinc molecules. Because we need 3 times as many zinc molecules as N-Oxide molecules, we would need 192 mg of zinc for 200 mg of DMT N-Oxide. Just to make things easy we round it up to 200 mg of zinc for 200 mg of DMT N-Oxide.


Here are the numbers used to calculate that all out:

  • DMT N-Oxide weighs 204.2684 g/mole.
  • Zinc weighs 65.38 g/mole.
  1. 204.2684 / 65.38 = 3.1243254817987152034261241970021
  2. 200 / 3.1243254817987152034261241970021= 64.013817115128918618836785327543
  3. 64.013817115128918618836785327543 * 3 = 192.04145134538675585651035598263

Additional miscellaneous info

  • 1 Mole = 6.02214 ×10^23 = 602,214,000,000,000,000,000,000 molecules.
  • DMT weighs 188.269 g/mole.
  • Vinegar contains 5 grams of acetic acid per 100 ml of water.
  • 3 ml of vinegar contains about 150 mg of acetic acid.
  • Acetic acid weighs 60.05 g/mole.

The solubility of freebase DMT in naphtha is about 1 g/100 ml so we need to use more if this solvent is used. DCM holds more DMT than acetone does, and acetone can hold over 10 g/100 ml of freebase DMT. I don’t know what the maximum is that DCM can hold. At some point SWIM will test it out.


  1. DMT N-Oxide to Freebase DMT by 69ron [1]