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From: Michael Singer <00001e691cb401d3-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU>
Subject: Re: [DCHAS-L] Lab Hydrogenation
Date: Oct 7, 2024 12:23 UTC
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Message-ID: <HE1PR0602MB330888F8EAF9A80F3C93EE32EC7D2**At_Symbol_Here**HE1PR0602MB3308.eurprd06.prod.outlook.com>
In-Reply-To: <YT3P288MB0157DA4A276A00ED325F0CF8C9772**At_Symbol_Here**YT3P288MB0157.CANP288.PROD.OUTLOOK.COM>
We have been using Parr shaker hydrogenation in my labs for >30 years.
Very easy and reliable if you have the hydrogen / nitrogen and vacuum all hooked up and ready to go.
We keep our Parr hydrogenator in a standard fume hood -- isolated from the other fume hoods.
We have a 2L maximum bottle size. So reactions are limited to 600 – 800 mL total.
WE are currently evaluating in situ hydrogen generator (note – not pushing corporate products here) as a safer , reliable, on-demand source of hydrogen.
Kind Regards
Michael
Michael Singer, Ph.D.
Councilor
Northeastern Section of the American Chemical Society
ACS Fellow
From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU>
On Behalf Of Kari Kramp
Sent: Tuesday, October 1, 2024 7:22 PM
To: DCHAS-L**At_Symbol_Here**Princeton.EDU
Subject: Re: [DCHAS-L] Lab Hydrogenation
I only have experience with the balloon method but found this article. :)
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From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU> on behalf of Galdenzi, Bill <bill.galdenzi**At_Symbol_Here**ALEXION.COM>
Sent: Tuesday, October 1, 2024 12:31:42 PM
To: DCHAS-L**At_Symbol_Here**Princeton.EDU <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Subject: [DCHAS-L] Lab Hydrogenation
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Dear CHAS members
Wondered if anyone has some experience and specific guidance on lab hydrogenations specific to a Parr unit designed for lab scale hydrogenations:
Any procedures, SOP, slide decks….etc. would be greatly appreciated. Thank you
Bill Galdenzi
Environmental, Health and Safety
Cell = (475) 331-1698
email
bill.galdenzi**At_Symbol_Here**alexion.com
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