MSDS-Search  
   The first place to look for an MSDS, the most comprehensive address for free information related to the document known as a Material Safety Data Sheet (MSDS).
   http://www.msdssearch.com/

OSHWEB  
   Institute of Occupational Safety Engineering site. Source for Materials Safety Data Sheets (MSDS) and other safety-related resources.
   http://oshweb.me.tut.fi/index.html

The MSDS Discussion Forum  
   A searchable web-based bulletin board for discussion of MSDS and safety-related issues. Part of a much broader site that includes an MSDS FAQ, an annotated list of free MSDS sites on the Internet, software, suppliers, books, and even an MSDS fun page.
   http://www.ilpi.com/msds/forum.html

Chemical Safety Information  
   Oxford University's chemistry safety information, which includes MSDS data.
   http://physchem.ox.ac.uk/MSDS/

Vermont SIRI MSDS Collection  
   Searchable MSDS database of chemicals and chemical compounds.
   http://hazard.com/msds/

Sigma-Aldrich MSDS Database  
   About 90,000 chemical MSDS available for chemicals produced by any of the Sigma-Aldrich subsidiaries.
   https://www.sigma-aldrich.com/saws.nsf/msdshelp/

The MSDS HyperGlossary  
   A searchable, hyperlinked, on-line glossary with definitions, MSDS relevance, links for over 120 common terms found on Material Safety Data Sheets.
   http://www.ilpi.com/msds/ref/

MSDS Xchange  
   This free internet portal contains over 2000 links to chemical manaufacturer web sites, accessing over 400,000 MSDS across the Internet.
   http://www.msdsxchange.com

Scientific Instrument Services  
   MSDS Sheets of products manufactured and distributed by Scientific Instrument Services.
   http://www.sisweb.com/index/referenc/msds.htm

Environmental-Expert  
   Offering free accessible software and web resources for Material Safety Data Sheets (MSDS).
   http://www.environmental-expert.com/welcome-msds.htm

Reade Advanced Materials  
   MSDA Data Sheet of products. Alphabetical listing.
   http://www.reade.com/Products/Product_Index.html

Kansas State University-MSDS  
   Large link list of sources of Material Safety Data Sheets.
   http://www.phys.ksu.edu/area/jrm/Safety/msds.html

Guide to Material Safety Data Sheets  
   Discusses what to look for on an MSDS and how to interpret the information you find there. Written for journalists.
   http://www.lehigh.edu/~kaf3/guides/msds.html

Cornell University Planning, Design, and Construction  
   Search a vast collection of over 250,000 MSDS on-line.
   http://msds.pdc.cornell.edu/msdssrch.asp

Material Safety Data Sheet Guide  
   Information on the purpose and required contents of MSDS in the U.S.
   http://meridianeng.com/msds.html