DCHAS-L Archives, Feb 18 2014 - Re: [DCHAS-L] Benzaldehyde

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Subject: [DCHAS-L] Benzaldehyde
Date: Tuesday, February 18, 2014 6:59:19 PM
Author: Wayne Phan <Wayne.Phan**At_Symbol_Here**POMONA.EDU>

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Subject: Re: [DCHAS-L] Benzaldehyde
Date: Tue, 18 Feb 2014 16:23:03 -0800
Author: "Herriott, Carole"

From: Glen Ernst <geernst**At_Symbol_Here**GMAIL.COM>
Subject: Re: [DCHAS-L] Benzaldehyde
Date: Tue, 18 Feb 2014 19:18:33 -0500
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: CAGzoeu8-2rU==byfYcN4Qcf-2=FD2FEhxdF7vwGrng04V_Kkjg**At_Symbol_Here**mail.gmail.com
In-Reply-To <731700108A7439498BE12EC6F8A2585ADC4052CA**At_Symbol_Here**EXCHANGE10.campus.pomona.edu>

Demystify:

It has most likely just oxidized up to benzoic acid.

On Tue, Feb 18, 2014 at 6:59 PM, Wayne Phan <Wayne.Phan**At_Symbol_Here**pomona.edu> wrote:

I just did a lab safety inspection and found a bottle of Benzaldehyde with crystal formation. The bottle is dated back to 5-25-1989. I am not sure if this is peroxide or just polymer being formed. What are your thoughts? If it is peroxide, what is the proper protocol for handling it?

Thanks,

Wayne

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