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Decay/Reactivity of DMSO and MSM

  1. Mar 21, 2008 #1


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    How long can one store dimethyl sulfoxide (DMSO) or methylsulfonylmethane (MSM)?
  2. jcsd
  3. Mar 22, 2008 #2


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    I don't have any experience with MSM, but have never had DMSO go bad. DMSO is one of those things we use a little bit every few years, and then sits on a shelf in between, and still seems just fine. I've known a few people to store it in the fridge if stored a long time, rather than at room temp (so it will freeze), but I haven't noticed any difference between the two storage methods other than the nuisance of having to wait for it to thaw when taken out of the fridge.
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