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Subject: Re: [DCHAS-L] Pentadecafluorooctanoyl chloride.

Date: May 25, 2021 15:22 UTC

Author: Jeffrey Lewin <jclewin**At_Symbol_Here**MTU.EDU>

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Date: May 25, 2021 15:45 UTC

Author: CHAS membership <membership**At_Symbol_Here**DCHAS.ORG>

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From: Margaret Rakas <mrakas**At_Symbol_Here**SMITH.EDU>

Subject: Re: [DCHAS-L] Pentadecafluorooctanoyl chloride.

Date: May 25, 2021 15:25 UTC

Reply-To: ACS Division of Chemical Health and Safety

In-Reply-To: Re: [DCHAS-L] Pentadecafluorooctanoyl chloride.

Demystify: 

I would suggest calling Sigma and asking to speak with a safety specialist. I am puzzled why the Sigma SDS does not carry the corrosive pictogram and does not warn of corrosivity (as the Pub Chem site does) but in Section 11 the Sigma Aldrich SDS states 'Material is extremely destructive to tissue of the mucous membranes and upper respiratory tract, eyes, and skin., spasm, inflammation and edema of the larynx, spasm, inflammation and edema of the bronchi, pneumonitis, pulmonary edema, burning sensation,"

To me, this does not compute....

if you get someone who is obviously not familiar with this chemical, push to speak with their industrial hygienist...

let us know how this works out--
Margaret

On Tue, May 25, 2021 at 11:14 AM Tammy M. Lutz-Rechtin <tlutzrec**At_Symbol_Here**uark.edu> wrote:

Prudent point. 10/22/2020 for Sigma and PubChem was modified last in 05/22/2021 but created in 2005.

Regardless of the date, I need to understand the reasoning behind any reclassification in order to assess correctly. Older information is still pertinent and quite honestly more helpful sometimes. I am not finding a good paper trail on this chemical.