Author Topic: Liquid caffeine for vaping??  (Read 6932 times)

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Offline Lethalp

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Liquid caffeine for vaping??
« on: July 28, 2011, 01:17:03 PM »
I recently saw a site that had a liquid caffiene for vaping? Can this be true? Is this something tw may do or something they frown upon??

Offline Pit Vaper

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Re: Liquid caffeine for vaping??
« Reply #1 on: July 28, 2011, 01:25:50 PM »
They do have eliquids that contain caffeine and other flavors, I'm not sure which ones exactly but I have read that here on the forum.
Green Cow
Red Cow
these 2 come to mind... ;)
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Offline StevieD

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Re: Liquid caffeine for vaping??
« Reply #2 on: July 28, 2011, 02:03:19 PM »
Also Doppio Espresso and Kola Kicks

Offline Nick OTeen

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Re: Liquid caffeine for vaping??
« Reply #3 on: July 28, 2011, 04:04:41 PM »
"liquid caffeine" doesn't exist (not at atmospheric pressure anyway.) Caffeine is a solid at room temperature, and sublimes (ie: changes directly from solid to gas, with no intermediate liquid phase,) at a temperature of 178'C.
What these sites are presumably selling will be a solution of caffeine in some other solvent, and given that concentrations above ~5% in any food-safe solvents are problematic (it tends to precipitate out as sludgy crystals, and in extreme cases sets solid like chalk,) I think you'll be hard pressed - once you've added nic base, glycols and flavourings to this dilute caffeine solution - to make a finished juice with anything like as much caffeine in as the caffeinated juices TW sells.
The TWDV caffeinated premixes contain 2.5% caffeine (25mg/ml) and the flavour concentrates contain 5% (50mg/ml)

Maybe they've found a food-safe solvent that allows higher concentrations, but I've been looking for one for a couple of years now, and the only solvents that allow high concentrations I've been able to find are chloroform, dichloromethane, and a few other compounds, all of which are singularly undesirable by inhalation. I would guess they're using ethanol or a relatively non-polar glycol (like PG,) and that the solution is =<5% caffeine w/v (but I've not seen the details, so this is completely guesswork on my part.)

Offline cyborg

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Re: Liquid caffeine for vaping??
« Reply #4 on: July 29, 2011, 05:13:13 AM »
Very interesting Nick, didnít know "liquid caffeine" doesn't exist at atmospheric pressure.
So you donít fancy the chloroform as a bed time vape  ;)
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Offline Nick OTeen

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Re: Liquid caffeine for vaping??
« Reply #5 on: July 29, 2011, 05:39:41 AM »
Very interesting Nick, didnít know "liquid caffeine" doesn't exist at atmospheric pressure.

I believe a liquid phase can be attained under a vacuum, but I don't much vaping in outer space without a suit :o

So you donít fancy the chloroform as a bed time vape  ;)

I think I'll stick to the Lotus Flower, thanks ;)

Offline borzoid

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Re: Liquid caffeine for vaping??
« Reply #6 on: July 29, 2011, 11:44:46 AM »
what about this stuff http://www.5150juice.com/Nutrition.html.  They say you can addit to food so maybe it would be safe for vaping

Offline Killjoy

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Re: Liquid caffeine for vaping??
« Reply #7 on: July 29, 2011, 08:41:52 PM »
That's in a solution of water and glycerin, judging by the ingredients.  Not sure if the preservative is cleanly volatile or not.  If you wanted to add caffeine to your mix your best bet would be to buy it in solid form (I've seen caffeine in powder form available pretty cheap), then you don't need to worry about the other ingredients in the liquid solution ;)

Offline RichJr

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Re: Liquid caffeine for vaping??
« Reply #8 on: July 30, 2011, 05:58:14 PM »
That's in a solution of water and glycerin, judging by the ingredients.  Not sure if the preservative is cleanly volatile or not.  If you wanted to add caffeine to your mix your best bet would be to buy it in solid form (I've seen caffeine in powder form available pretty cheap), then you don't need to worry about the other ingredients in the liquid solution ;)

By buying it in solid form you'll have complete control over the w/v ratio ;) I might end up doing this like I do my menthol.  50/50 w/v, very potent stuff. Where should I look for pure caffien powder?

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Offline Killjoy

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Re: Liquid caffeine for vaping??
« Reply #9 on: July 30, 2011, 09:06:09 PM »
I swear I saw it somewhere recently, but I can't seem to find it now ???  if you google for caffeine you'll find suppliers that sell it in crystal or powder form (I've seen liquid solutions, too, just pay attention to what it is suspended in if you go this route)

Offline borzoid

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Re: Liquid caffeine for vaping??
« Reply #10 on: August 05, 2011, 10:33:25 PM »
I googled caffeine powder and found this:  http://buycaffeinepowder.com/  It says pharmaceutical grade so it "may" be a good source.

 

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