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From: "Aloise, Allen" <aloise**At_Symbol_Here**CHEMISTRY.HARVARD.EDU>
Subject: Re: [DCHAS-L] Question on trifluoracetic acid & emergencies
Date: Thu, 8 May 2014 13:14:40 +0000
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: 98E46D64DDA8C548A4D2D4593F91C2E6B02CAD83**At_Symbol_Here**HARVANDMBX01.fasmail.priv
In-Reply-To


Hi Kim,

The fluorines on trifluoroacetic acid are bound to carbon and are not labile.  They do not readily dissociate or ionize, thus TFA is not a source of fluoride.  

I don't believe HF emergency kits are necessary or appropriate for this particular substance.  

Best,
Allen


---------------------------------------------------------------------
Allen Aloise, Ph.D.
Director of Laboratories
Co-Director of Graduate Studies

Department of Chemistry and Chemical Biology (CCB)
Harvard University
12 Oxford St.
Cambridge, MA  02138
 
617-495-4283 (office)
617-496-5618 (fax)
aloise**At_Symbol_Here**chemistry.harvard.edu

From: Kim Gates <kim.gates**At_Symbol_Here**STONYBROOK.EDU>
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Date: Thursday, May 8, 2014 at 8:55 AM
To: "DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU" <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Subject: [DCHAS-L] Question on trifluoracetic acid & emergencies

One of the labs on campus asked about having an HF emergency kit for trifluoracetic acid use. 

I need the collective wisdom of his group - yes? no? references? (the SDS doesn't mention anything about this)

Thanks

Kim Gates
Laboratory Safety Specialist
Environmental Health & Safety
Stony Brook University
Stony Brook, NY 11794-6200
Kim.Gates**At_Symbol_Here**stonybrook.edu
631-632-3032
FAX: 631-632-9683
EH&S Web site: http://www.stonybrook.edu/ehs/lab/

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