Canadian Health & Safety Index - Chemical Title Order
http://web.mit.edu/safety/msds/chealth-title.html

"To receive a copy of an MSDS, send e-mail to: LISTSERV@MITVMA.MIT.EDU with the LISTSERV command as text: GETPP msds_number MSDS. Example: To receive the MSDS for.... (DNBPG) BONDED SILICA GEL (COLUMN) Send e-mail to: LISTSERV@MITVMA.MIT.EDU with the text: GETPP 265094 MSDS. (Multiple getpp commands may be sent in the same mailing, one per line.)"

CAS Number/Chemical Search for MSDS
http://www.camd.lsu.edu/msds/jssearch.htm

"Welcome to CAMD Safety Office's Search engine. Your Portal to finding Chemical MSDS/People at CAMD/Safety pages at CAMD! Please Enter a part of the chemical name or person name/ designation that you are searching for or the CAS number to search the CAMD Safety webpages!

Chempliant
http://www.chempliant.com/

"Chempliant International, Inc. is headquartered in Raleigh, North Carolina. We design, develop, and market Material Safety Data Sheet management software and services throughout the world. All products are Microsoft Windows tm 3.x, Win95, NT Workstation, and Year 2000 compatible."

ChemQuik®
http://www3.chemquik.com/

"ChemQuik® is a free service providing first aid information and other vital safety information for most commonly used chemicals. ChemQuik was created by Dolphin, the nation's leading provider of customized chemical management solutions and health & safety data."

Cornell University - MSDS Database
http://msds.pdc.cornell.edu/msdssrch.asp

"The ~ 250,000 MSDS files contained in this database are derived from : the U.S. Government Department of Defense MSDS database. a mirror of data from siri.uvm.edu. MSDS sheets maintained by Cornell University Environmental Health and Safety and other Cornell departments. This data is provided for Cornell University user convenience."