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DCHAS-L Discussion List Archive

From: Info <info**At_Symbol_Here**ilpi.com>
Subject: Re: [DCHAS-L] Nitric Acid Disposal
Date: Thu, 15 Jul 2021 10:21:46 -0400
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Message-ID: 17CC55A5-4927-4093-8EBB-3F3DA4D6E3AA**At_Symbol_Here**ilpi.com
In-Reply-To


Did this researcher even READ the SDS's?  Here's an excerpt from the Fisher SDS for dichloromethane: https://www.fishersci.com/msdsproxy%3FproductName%3DD3720%26productDescr

Forms a detonable mixture with nitric acid.

THIS IS NOT WORTH THE RISK.  SUBSTITUTE, SUBSTITUTE, SUBSTITUTE.  https://www.cdc.gov/niosh/topics/hierarchy/default.html  

Let me refer you here:  http://www.ilpi.com/safety/explosion.html  All because of one momentary lapse, a student almost lost an eye, and I came within seconds of having to pull two burning or unconscious faculty peers out of a situation they should not have tried to fight on their own. It's unbelievable there were no injuries.

Rob Toreki


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On Jul 15, 2021, at 9:33 AM, Patricia Leach <Patricia.Leach**At_Symbol_Here**TAMUC.EDU> wrote:

Hello,
I had a question from one of the organic chemists here about how to store the waste from a nitration using nitric acid in a dichloromentane/acetic acid solvent. He says there are several examples of this nitration in the literature, but I am still wary. While the reaction is open to the atmosphere, I am worried about storing it until it can be disposed of. Any advice would be greatly appreciated.
 
 
Patricia Leach
Environmental Health and Safety Coordinator
Campus Operations and Safety
P: 903.468.3278
C: 316.644.8255
 
Mail: P.O. Box 3011, Commerce, TX 75429
 
 
 
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