> >And I, too, consider Sigma Aldrich to be the best out there. Sorry to hear their quality might be compromised by a corporate merger.
>
I remembers the days when S/A MSDS's were horrid, so it's been good to see their improvement. However, given the rate at which businesses change these days, I prefer to rely on public information sources such as the National Library of Medicine's various chemical safety information resources.

One example is the Lab Chemical Safety Summaries which can be found at the PubChem web site. One advantage of these is that PubChem's entry usually come up in the #1 or #2 slot in a Google search for that chemical (depending on how Google tweeks your search results based on your search history and their commercial interests) The LCSS has GHS information from around the world so that you can compare the Australian results to those from the EU to those from Japan at a glance. There are some interesting contrasts in those comparisons.

Of course, this approach doesn't work so well with the dragons associated with trade name chemicals.

- Ralph

Ralph Stuart, CIH, CCHO
Environmental Safety Manager
Keene State College
603 358-2859

ralph.stuart**At_Symbol_Here**keene.edu

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