[Histonet] RE: picric acid

[Geoff McAuliffe]

"Our chemical safety office informed us that friction from removing a cap can be enough to set it off."

I have heard this for many, many years but has there ever been a case of 
such a thing happening? Of course we should be cautions and keep our 
picric acid wet but ...
I have seen news clips in which the bomb squad packs explosives around 
the picric acid (from an old high school lab) out in a field and sets it 
off. BOOM! Sure, the picric acid was surrounded by explosives.

Geoff

On 2/3/2012 2:04 PM, Goins, Tresa wrote:
> The picric acid around the cap would not be "1%".  The acetone is long gone.  Wipe the threads or pipette the reagent from the bottle.
> Our chemical safety office informed us that friction from removing a cap can be enough to set it off.
>
> Tresa
>
> -----Original Message-----
> From: histonet-bounces <@t> lists.utsouthwestern.edu [mailto:histonet-bounces <@t> lists.utsouthwestern.edu] On Behalf Of Perry, Margaret
> Sent: Friday, February 03, 2012 11:51 AM
> To: histonet <@t> lists.utsouthwestern.edu
> Subject: [Histonet] picric acid
>
> I am curious how big an explosion there would be from 1% picric acid in acetone if a little dried around the cap.
>
> Margaret Perry HT(ASCP)
> Dept of Veterinary and  Biomedical services Box 2175 South Dakota State University Brookings SD 57007
> 605-688-5638
>
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-- 
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Geoff McAuliffe, Ph.D.
Neuroscience and Cell Biology
Robert Wood Johnson Medical School
675 Hoes Lane, Piscataway, NJ 08854
voice: (732)-235-4583
mcauliff <@t> umdnj.edu
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