About This Archive  |	DCHAS-L 2013 Index   |	DCHAS-L Yearly Index
Search All Posts:   Advanced Search     Disclaimer

Check out Safety Emporium for your N95, N99, and face shield needs.

Previous by Date: Subject: Re: [DCHAS-L] Heirloom Chemistry Set Kickstarter Project Date: Fri, 15 Nov 2013 13:57:42 -0500 Author: Patricia Redden

Next by Date: Subject: Re: [DCHAS-L] DCHAS and CCS "Virtual Booth" -including REQUEST for fe edback about SACL Date: Fri, 15 Nov 2013 19:06:42 +0000 Author: David C. Finster

This is neat, but I was surprised to see that they sell thallium malonate. Thallium is an infamous toxin used by many murderers. I don't know about the malonate, but I would guess that the anion makes little difference. This does not seem like a great idea for your kids.

Paul

On Fri, 15 Nov 2013 10:37:29 -0500
Peter Zavon wrote:
> This sounds kind of interesting but I begin to question the validity of the
> entire enterprise (especially their stated concern for safety) when I see
> that benzene is one of the compounds provided with their kit AND that the
> MSDS they offer for benzene not only lacks any mention that it is a known
> human carcinogen, but includes the line "Chronic Exposure: No information
> found." (It does state "Known Carcinogen" under Section 16: other
> information)
>
> It also states in Section 8 that no airborne exposure limits have been
> established while burying the OSHA and ACGIH limits in Section 15
> Regulatory information.
>
> I've not checked any of their other MSDS, but benzene is so widely known in
> this regard that I have to wonder what these people think they are doing.
>
>
> Peter Zavon, CIH
> Penfield, NY
>
> PZAVON**At_Symbol_Here**Rochester.rr.com
>
>
>
> -----Original Message-----
> From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU] On Behalf Of
> Ralph B. Stuart
> Sent: Friday, November 15, 2013 8:11 AM
> To: DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
> Subject: [DCHAS-L] Heirloom Chemistry Set Kickstarter Project
>
> Here's something that I think will interest many on the DCHAS-L list... it
> addresses chemical safety issues in interesting ways.
>
> - Ralph
>
> http://www.kickstarter.com/projects/1742632993/heirloom-chemistry-set
>
> Heirloom Chemistry Set Kickstarter Project
>
> This is the chemistry set you always wanted as a kid but either didn't get
> it or you got stuck with some cheap plastic wannabe...
>
>
> Ralph Stuart, CIH
> Chemical Hygiene Officer
> Cornell University
> rstuart**At_Symbol_Here**cornell.edu

Paul Harrison
Associate Professor of Chemistry
Department of Chemistry and Chemical Biology
McMaster University
1280 Main St. W., Hamilton, ON, L8S 4M1, Canada
Phone: (905)525-9140 ext. 27290; FAX: (905)522-2509

Previous post   |  Top of Page   |   Next post