then one may store the liquid inside the flammable cabinet, but thereis no regulation to do so. All chloronated hydrocarbons with a flashpoint at or below 200F (Class IA,B, C flammable, Class II and IIIA combustible liquids) are required to be stored in a flammable cabinet unless you can demonstrate that you are below de minimu quantites per fire area. (You should best conslt a fire protection person to make the determination of the last sentence.)
From: Peifer, Patricia <Patricia.Peifer**At_Symbol_Here**WESTPHARMA.COM>
To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Sent: Thu, Oct 27, 2011 11:58 am
Subject: [DCHAS-L] Storage of Chlorinated Solvents and Flammables
I have asked our staff to store chlorinated solvents separately from flammable
substances. I know that this is generally good practice, but I also read that
some chlorinated solvents can react with some flammables to produce phosgene,
and perhaps other toxic gases as well. This made some sense to me since I know
chlorinated solvents can produce these gases when exposed to heat or UV.
I am being challenged on this and asked to produce the names of flammables that
will react with chlorinated solvents upon contact to produce dangerous gases.
Does anyone have information on this? Are there other compelling reasons not
to store chlorinated solvents with flammables?
Pat Peifer, CHO
Safety and Chemical Hygiene Specialist
West Pharmaceutical Services
101 Gordon Drive
Lionville, PA 19341
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