From: Lukas Werth (lukas.werth@rz.hu-berlin.de)
Date: 11/16/00-03:52:03 PM Z
At 16:09 16.11.00 -0500, you wrote:
>At 2000/11/16 08:20 PM +0100, you wrote:
>>I will try to find some 33thiopropionic acid to try it as it is truly
>>different from the way I use.
>
>The correct term is: 3,3' thiopropionic acid (or beta, beta'-propionic
>acid) or 3-mercaptopropionic acid. (Interestingly, the 2-mercapto compound
>is the substance in onions that causes tears.) If you find a retail source
>for this substance, let me know, as it is used industrially in resins and I
>don't know of any other common usage.
>
>
>Sil Horwitz, FPSA
>Technical Editor, PSA Journal
>teched@psa-photo.org
>silh@earthlink.net
>Visit http://www.psa-photo.org/
>Personal page: http://home.earthlink.net/~silh/
>
I never knew 3.3...you know what I mean was difficult to find. Here in
Berlin is one trader in chemicals who sells to private persons. I went
there, and found it listed in his Merck catalogue. I got it in a 250 g
package.
Lukas
This archive was generated by hypermail 2b30 : 12/01/00-11:46:57 AM Z CST