Re: formalin carboy storage

From:"" <>

Date sent:      	Wed, 28 Mar 2001 10:11:24 -0600
From:           	Sheila Poellein <>
Subject:        	formalin carboy storage
To:             	"'histonet'" <>

> We supply a 5 gallon 10% formalin carboy to an off-campus surgicenter
> facility for their tissue specimens.  They keep this carboy in a separate
> room that is also used for frozen sections.  They insist that this carboy
> needs to be kept in a small countertop flammable cabinet.  What are other's
> protocol for formalin storage of your opened container and then also your
> bulk supply?  We have never kept our formalin in a flammable cabinet.
> thanks  Sheila

I always keep formaldehyde (37%) in a flammable cabinet as it is a 
convenient way to store (containment/spillage etc) despite its 
"potential" flammability.We mainly use prefilled specimen 
containers to avoid single large volumes of formalin. I have 
witnessed a tap coming away from one of these carboys, luckily in 
a contained fume cupboard.I would dread to think of the 
consequences of this happening in an open laboratory! 

Terry Hacker,
Medical Research Council,
Oxfordshire, OX11 ORD
01235 834393 x360

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