[Histonet] 10% buffered formalin storage

Tim Morken tmorken at comcast.net
Sat May 7 18:39:37 CDT 2022

Pam, yes, the data sheet will say room temperature. But are you asking if it needs special ventilation?  If the bottle is sealed or has a well-sealing cap, then storing small quantities in the general lab is ok, so maybe a gallon or, better yet, several 500ml bottles. When we store in the general lab we keep the bottles as small as possible to prevent a large spill. 

However, if you have many gallons then, even if sealed, they should be stored in a well-ventilated area that is away from people. Either a dedicated chemical store room, or a chemical cabinet that is ventilated to the same ventilation system as the fume hoods. That is to prevent overwhelming fumes if one or more bottles should leak.

Tim Morken
Supervisor, UCSF Histology, EM and Neuromuscular Specials Studies (ret.)

> On 05/06/2022 7:10 AM Richardson, Pam K via Histonet <histonet at lists.utsouthwestern.edu> wrote:
> I have been trying to find if there are any special storage requirements for 10% buffered formalin.  All I am finding is room temperature.  How are you storing yours?
> Best Wishes
> Pam ~
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