DCHAS-L Discussion List Archive
Date: Tue, 14 Sep 2010 12:10:38 -0700
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Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: "Larry D. McLouth" <ldmclouth**At_Symbol_Here**LBL.GOV>
Subject: Shelf Life of PEG 400 used for Phenol First Aid Treatment
We're developing first aid procedures for phenol and phenol/chloroform.
This involves decontaminating affected areas with polyethylene glycol
(400 MW) instead of water. Flushing with water may spread phenol to
other parts of the body.
Because of its expense, we plan to buy larger quantities of PEG 400 and
repackage it into 1 L nalgene bottles. This, along with other supplies
(gauze pads, gloves, disposable coveralls - for modesty, etc.) will be
put in light tight buckets. The buckets will be stored in labs at room
temperature.
My question is about the shelf life of the PEG after it has been opened
and repackaged. Chemical suppliers report shelf lives from 1 to 2
years. But I believe this applies to PEG intended for manufacturing and
research applications.
Does anyone have experience with the use of PEG 400 for 1st aid
treatment who can recommend a shelf life? Literature citations (if they
exist) would be much appreciated.
Regards
Larry
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