Accessing Sigma-Aldrich MSDS online is a multi-step process if you only have the chemical name:

1. MSDS access may be blocked because your “pop-up blocker” is turned on. Turn off by going to “Tools” on your tool bar
2. Go to the Sigma-Aldrich home page
3. Do a search by Product Name or Product No. (pull-down menu at upper right)
4. Open the folder of the chemical in question
5. Select the grade or purity of the chemical in question
6. Click on the “MSDS” link at upper right

If you have the product # you can search on that using the pull down menu in step #3.

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Last Modified February 1, 2008