How to make methylamine gas?
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Synteza MDMA za pomocą NaBH4 z MDP2P
- Thread starter G.Patton
- Start date
Your 300g methylamine gas is it mean use cas 593-51-1 dissolve in methanol?
- By G.Patton
Hello, no. Every substance have own weight. Methylamine has gas form at normal conditions. 300g of methylamine free base (gas) has to be dissolved in methanol.
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- By Win Win
A vacuum distillation setup is prepared. Methanol, DCM, water and other low boiling substances are distilled off at 130 °C firstly. Then, a heater is set at 165 °C, little drops of MDMA oil are condensated and seen around 140-145 °C; at 160-165 °C (20-18 mbar) MDMA oil is distilled intensively. The clean MDMA free base distillation yield is ~ 1.0 L.
A membrane vacuum aspirator is sufficient to distill off water, methanol and other low boiling substances from the reaction mixture. A decent vacuum pump is recommended to distill MDMA free base.
This step can i use rotaryevaporator?
A membrane vacuum aspirator is sufficient to distill off water, methanol and other low boiling substances from the reaction mixture. A decent vacuum pump is recommended to distill MDMA free base.
This step can i use rotaryevaporator?
- By William D.
A very high initial temperature for these solvents, especially using a vacuum. And it is better to exclude water with drying agents if you want to get the maximum yield. In addition, you can extract amine in the water layer and already work with the water layer, the dcm will take the impurities, and you can avoid distillation if your raw materials have been of good quality.
Methylamine gas (MeNH2) 300 g is dissolved in chilled 3000 g methanol (MeOH; -17-20 °C) in 20 L reactor, equipped with thermometer and overhead stirrer. The mixture is cooled down to 5 °C. The stirrer is turned on and MDP2P 1000 g is added.
In my country methylamine 44%in methanol liquid ready made available
So just add liquid to flask and mantain 5 c temp add mdp2p
I'm i right ?
Because I don't have deep fridge so I can't methanol (MeOH; -17-20 °C
Plz help
@G.Patton
In my country methylamine 44%in methanol liquid ready made available
So just add liquid to flask and mantain 5 c temp add mdp2p
I'm i right ?
Because I don't have deep fridge so I can't methanol (MeOH; -17-20 °C
Plz help
@G.Patton
Methylamine in methanol 30% readymade
Sodium borohydride (NaBH4) 100 g is added in portions, one teaspoon per ~5 min, H2 gas bubbling has to disappear before next addition (wash down with methanol). Temperature is maintain between 8-10 °C. Sodium borohydride (NaBH4) addition is taken 2-7 h. The mixture is stirred for 2 days. The stirring time can be reduced to 4 h for people in a hurry, 10-20% will be lost.
@G.Patton
AVAILABLE
in my country so i need to add mdp2p in Methylamine in methanol 30% then do thisSodium borohydride (NaBH4) 100 g is added in portions, one teaspoon per ~5 min, H2 gas bubbling has to disappear before next addition (wash down with methanol). Temperature is maintain between 8-10 °C. Sodium borohydride (NaBH4) addition is taken 2-7 h. The mixture is stirred for 2 days. The stirring time can be reduced to 4 h for people in a hurry, 10-20% will be lost.
@G.Patton
DCM 200 mL is added to the reaction vessel with water layer and the mixture is stirred for 10 min. The stirrer is stopped and reaction mixture is left 30 min. DCM with the rest MDMA freebase will settle on the vessel bottom. Organic layer is drained out and extracts are combined. There is ~1750 mL of MDMA free base and DCM.
my qustion DCM 200 mL is added to the reaction vessel with water layer and the mixture is stirred for 10 min what is water layer in this ?
@G.Patton
my qustion DCM 200 mL is added to the reaction vessel with water layer and the mixture is stirred for 10 min what is water layer in this ?
@G.Patton