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DMSO and plastic containers

DMSO and plastic containers - Chemistry Forum

DMSO and plastic containers - Chemistry Forum. Discuss chemical reactions, chemistry.


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  #1  
Old 11-08-2003, 01:58 PM
lightning bald
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Default DMSO and plastic containers



Hi,

is it safe to store 20% DMSO solution (v/v) in a polypropylene
plastic container ("safe" meaning that the solution should not affect
the container and vice versa)?

thanks!

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  #2  
Old 11-08-2003, 02:46 PM
hanson
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Default DMSO and plastic containers

"lightning bald" <[Only registered users see links. ]> wrote in message
news:boisps$n4s$06$[Only registered users see links. ]...
The DMSO will most probably not be affected = not chemically
altered, but we have found that the containers, PE or PP,
containing 80-100% v/v DMSO do show layering and blisters
but no leaking after storage times of 18 months or more.
It is mainly a visual/sales problem.
The same problem occurs in the PP/PE cap seals of glass bottles.
You, having only a 20% DMSO conc. may not encounter these
problems for the 1st 4-5 years of storage. But, I suggest for you to
contact Crown Zellerbach and other DMSO producers for advice.
hanson
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  #3  
Old 11-10-2003, 01:24 PM
Richard
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Default DMSO and plastic containers

"hanson" <[Only registered users see links. ]> wrote in message news:<el7rb.2097$[Only registered users see links. ].pas.earth link.net>...

I keep neat DMSO in a 2 oz plastic bottle originally used for eye
drops. This bottle feels like its made of PE or PP, haven't analyzed
it...

This bottle has been in use for over 5 years. I occasionally squeeze
a few drops out. There is no evidence of any problems with the
bottle, no obvious hardening of the plastic, etc.
Richard
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