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Old 11-01-2016, 09:49 PM
astro astro is offline
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If stored does packaged cocaine go bad over time?

I saw this article about a stash of cocaine found in a mothballed airplane and wondered how long it would retain it's potency over time.

It's an organic substance so I'm guessing it might be subject to some degradation.
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Old 11-01-2016, 10:36 PM
watchwolf49 watchwolf49 is offline
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I'd guess the same ... just wanted to add that it would be the cut that goes bad first ...
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Old 11-01-2016, 11:16 PM
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Old 11-02-2016, 12:48 AM
AK84 AK84 is online now
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Not totally answering the OP's question, but this reminds me of something that occured a few years ago. A friend of mine was prosecuting some drug dealer or the other and at trial time came for evidence to be presented. One of the bags of cocaine was dropped and burst, causing a powder cloud which settled on the judge, both counsels and one of the ushers.

My friend was taken to the hospital and kept overnight. He was fine, but annoyed that they took and incinerated all his clothes.
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Old 11-02-2016, 04:19 PM
janeslogin janeslogin is offline
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Do real chemists, IUPAC types, have a standardized measure of shelf life for chemicals sort of like half life for radioactive stuff perhaps?
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Old 11-02-2016, 06:27 PM
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There is such a thing as pharmaceutical cocaine, and I believe someone calculates a half-life or shelf-life for medications. This is why there's an expiration date--not because the medicine goes bad, but because it becomes less effective.

The cocaine on a plane you would expect to be relatively pure because it's less weight to carry, but I'm no expert on how much cocaine gets stepped on and with what.
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Old 11-04-2016, 09:04 AM
wguy123 wguy123 is offline
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Quote:
Originally Posted by AK84 View Post
Not totally answering the OP's question, but this reminds me of something that occured a few years ago. A friend of mine was prosecuting some drug dealer or the other and at trial time came for evidence to be presented. One of the bags of cocaine was dropped and burst, causing a powder cloud which settled on the judge, both counsels and one of the ushers.

My friend was taken to the hospital and kept overnight. He was fine, but annoyed that they took and incinerated all his clothes.
Was the cocaine laced with anthrax? Not sure why you have to incinerate clothes that might've gotten a bit of cocaine on them. Did the others all have to turn over their clothing for incineration?
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Old 11-04-2016, 09:19 AM
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Old 11-04-2016, 10:22 AM
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There was a slew of paraphernalia advertised to keep cocaine's potency up via humidity and climate control. How much of that was legitimate science and how much just advertising I couldn't tell you.

Last edited by Jophiel; 11-04-2016 at 10:24 AM.
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Old 11-04-2016, 11:35 AM
Ruken Ruken is offline
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There are a few possible mechanisms for degradation. I don't know if any apply here. It can just degrade on its own, say via a pericyclic rearrangement that changes its structure to something with different pharmacological activity. You might expect this with a molecule that is essentially metastable. The reaction can be accelerated by a catalyst or heat.

UV or visible light may be sufficiently energetic push electrons around and trigger a reaction.

The molecule may react with water, oxygen, carbon dioxide, ozone, NOx, etc.
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Old 11-04-2016, 11:38 AM
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It looks like cocaine is susceptible to hydrolysis, less so when sufficiently acidified. Granted that's in aqueous solution.

http://www.sciencedirect.com/science...78517382900758
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Old 11-04-2016, 01:36 PM
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reminds me of "Lost" and the heroin in the airplane
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Old 11-04-2016, 03:32 PM
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If stored does packaged cocaine go bad over time?
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Old 11-04-2016, 04:00 PM
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