DCHAS-L Archives, Aug 15 2012 - Re: [DCHAS-L] working with Ethanedithiol

From: Beth Shepard <Beth.Shepard**At_Symbol_Here**SIAL.COM>
Subject: Re: [DCHAS-L] working with Ethanedithiol
Date: August 15, 2012 2:51:04 PM EDT
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: <61B8FFF7416572438CADB5DF16826AA6061FEDBD**At_Symbol_Here**MADMSG024.promega.com>

That is the recipe my vet gives out for=0A"de-skunking" dogs=2E With the comment for the non-chemists that=0Ait should never be made up ahead of time & put into a closed container=2E=2E=2E=2E
=0A
=0ABeth=0A
=0A
=0A
=0A
From: =0A Timothy Hauser <Timothy=2EHauser**At_Symbol_Here**PROMEGA=2ECOM>=0A
To: =0A DCHAS-L**At_Symbol_Here**MED=2ECORNELL=2EEDU=0A
Date: =0A 08/15/2012 01:46 PM=0A
Subject: =0A Re: [DCHAS-L]=0Aworking with Ethanedithiol=0A
Sent by: =0A DCHAS-L Discussion=0AList <dchas-l**At_Symbol_Here**MED=2ECORNELL=2EEDU>=0A
=0A

=0A
=0A
=0A
We have used a fresh solution of 1 quart 3% hydrogen=0Aperoxide (drug store strength), =BC cup baking soda and 1 teaspoon of liquid=0Adishwashing soap to neutralize beta-mercaptoethanol contaminated material=2E=0AI also use it on my dogs when they've lost an argument to a skunk and they=0Alose every time=2E =0A =0ATimothy M=2E Hauser, CHMM =0AManager, Environmental, Health & Safety =0APromega Corporation =0A2800 Woods Hollow Road, Madison WI 53711 USA =0ATimothy=2EHauser**At_Symbol_Here**promega=2Ecom | Direct (608) 298-4807 | Cell: (262) 844-1665=0A| Fax: (608) 277-2677 =0A =0A-----Original Message----- =0AFrom: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED=2ECORNELL=2EEDU]=0AOn Behalf Of Kristi Ohr =0ASent: Wednesday, August 15, 2012 1:22 PM =0ATo: DCHAS-L**At_Symbol_Here**MED=2ECORNELL=2EEDU =0ASubject: Re: [DCHAS-L] working with Ethanedithiol =0A =0AHi Yung, =0A =0APaul is right on=2E I've always used a 1:2 (volume:volume) household=0Ableach:water solution for thiols=2E =0A =0AKristi =0A =0A________________________________________ =0AFrom: DCHAS-L Discussion List [dchas-l**At_Symbol_Here**MED=2ECORNELL=2EEDU] on behalf of Paul=0AHarrison [pharriso**At_Symbol_Here**UNIVMAIL=2ECIS=2EMCMASTER=2ECA] =0ASent: Wednesday, August 15, 2012 2:04 PM =0ATo: DCHAS-L**At_Symbol_Here**MED=2ECORNELL=2EEDU =0ASubject: Re: [DCHAS-L] working with Ethanedithiol =0A =0AI am not surprised that no-one will touch the thiol-bearing glassware! =0A =0AYou need a hood; don't even think of a glove bag, they are under positive=0Apressure, which will just pump out more stench=2E =0A =0AFor clean-up, have a bucket of dilute bleach to hand, IN THE HOOD=2E Put=0Aeverything in it and let it soak=2E Yes, the pipettes, tips, glassware,=0Aand I also have dropped my used gloves in the bleach if in any doubt about=0Atheir state of cleanliness=2E In summary, NOTHING leaves the hood! =0A =0AI also advise checking where on the roof your hood vents=2E If the=0Awind is blowing the wrong way, the vented air can be sucked back into the=0Abuilding air inlet=2E My lab has had this happen with tert-butanethiol;=0Athe result is that the building smells the same as it would in the case=0Aof a gas leak, since this thiol is what is used to make natural gas smell=2E=0A Result? Someone pulls the fire alarm, the engines roll in=2E=2E=2E=2E=0A and one's popularity plummets to a new low=2E =0A =0AGood luck! =0A =0APaul =0A =0AOn Wed, 15 Aug 2012 12:17:54 -0400 =0A Yung Morgan <pmorgan**At_Symbol_Here**EHS=2EUMASS=2EEDU> wrote: =0A> Dear members, =0A> =0A> Hope the Summer is finding you well and somewhat rested(?)=2E A question=0Acame from our sister school re: working with Ethane dithiol=0Ain a glove box=2E Any thought on this? Also what kind of decontamination=0Aprocedures for glassware before disposing? We usually find glass=0Aonly boxes full of smelly broken glass and our custodial group would=0Arefuse to remove them=2E =0A> =0A> Again thank you so much for any thought you may have=2E Continue=0Adoing great work and enjoying the last of Summer=2E =0A> =0A> Best wishes =0A> =0A> Yung Morgan, MsPH =0A> Laboratory Safety =0A> Industrial Hygiene Services =0A> Environmental Health and Safety =0A> 117 Draper hall =0A> UMASS,Amherst MA 01003 =0A> phone (413) 545-2682 =0A> Fax (413) 545-2600 =0A> email : pmorgan**At_Symbol_Here**ehs=2Eumass=2Eedu =0A> IH motivation: saving=0Athe world, one fume hood at the time=2E YM =0A =0APaul Harrison =0AAssociate Professor of Chemistry =0ADepartment of Chemistry and Chemical Biology =0AMcMaster University =0A1280 Main St=2E W=2E, Hamilton, ON, L8S 4M1, Canada =0APhone: (905)525-9140 ext=2E 27290; FAX: (905)522-2509 =0A=0A
=0A=0AThis message and any files transmitted with it are the property of=0ASigma-Aldrich Corporation, are confidential, and are intended=0Asolely for the use of the person or entity to whom this e-mail is=0Aaddressed=2E If you are not one of the named recipient(s) or=0Aotherwise have reason to believe that you have received this=0Amessage in error, please contact the sender and delete this message=0Aimmediately from your computer=2E Any other use, retention,=0Adissemination, forwarding, printing, or copying of this e-mail is=0Astrictly prohibited=2E

Previous post | Top of Page | Next post

The content of this page reflects the personal opinion(s) of the author(s) only, not the American Chemical Society, ILPI, Safety Emporium, or any other party. Use of any information on this page is at the reader's own risk. Unauthorized reproduction of these materials is prohibited. Send questions/comments about the archive to secretary@dchas.org.
The maintenance and hosting of the DCHAS-L archive is provided through the generous support of Safety Emporium.

About This Archive \|	DCHAS-L 2012 Index \|	DCHAS-L Yearly Index
Search All Posts: Advanced Search Disclaimer