[Histonet] picric acid

[STEVEN PINHEIRO]

Well you have the most important part correct- Keep it wet. But that doesn't address how to dispose of it. You could choose to make it non explosive by using sodium hydroxide and sulfide. But then its toxic and needs to be treated and removed accordingly. You can also list it as flammable and have it removed by the correctly licensed third party.
Never pour down the drain as it could react w copper pipes. Many reasons to dispose of it properly.

Steve Pinheiro



-----Original Message-----
From: Mca Werdler via Histonet [mailto:histonet at lists.utsouthwestern.edu] 
Sent: Thursday, May 05, 2016 2:09 PM
To: histonet at lists.utsouthwestern.edu
Subject: [Histonet] picric acid

Dear histonetters,

Since a few months, i started working in a histology lab, run only by me ( coworkers are not specialized in histology). There has not worked here a person at histology for about 2 years.

After many new protocols, i decided to clear out some chemicals.
Now i found around 1 KG of DRY picric acid. I informed my coworkers about this, and they said just to dissolve everything in water.

What do you guys think is the best way for handeling with this explosive chemical? Thank you all in advance!

Maarten
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