CCOHS: MSDS Management Service
- Occupational health and safety responsibilities relating to MSDSs and WHMIS requirements.
- http://www.ccohs.ca/products/msds/msdsservice.html

ERG 2004
- A guide to aid first responders in (1) quickly identifying the hazardous material(s) involved in a transportation incident, and (2) protecting themselves and the general public during this initial response phase of the incident.
- http://hazmat.dot.gov/pubs/erg/gydebook.htm

NIOSH Pocket Guide to Chemical Hazards (2005-149) | CDC/NIOSH
- Data on 677 chemicals or substance groupings found in the work environment.
- http://www.cdc.gov/niosh/npg/

CCOHS:Understanding a Material Safety Data Sheet (MSDS)
- Explanation of each category of information found on an MSDS. Canadian Centre for Occupational Health and Safety (CCOHS)
- http://www.ccohs.ca/products/Supplements/MSDS_FTSS/msds_understand.html

CHRIS - Chemical Hazards Response Information System
- Information needed for decision-making in emergencies that occur during the water transport of hazardous chemicals.
- http://www.chrismanual.com/

NIOSH/WHO International Chemical Safety Cards: International Program on Chemical Safety
- Summarizes essential health and safety information on chemicals for their use at the "shop floor" level by workers and employers in factories, agriculture, construction and other work places.
- http://www.cdc.gov/niosh/ipcs/icstart.html

CAMEO Chemicals
- Online library of data sheets containing response-related information and recommendations for hazardous materials.
- http://cameochemicals.noaa.gov/

Sigma-Aldrich MSDS Database
- Searchable index of chemicals produced by any of the Sigma-Aldrich subsidiaries.
- http://www.sigmaaldrich.com/Help_Pages/Help_Welcome/MSDS.html

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

Material Safety Data Sheets (MSDS) for Infectious Substances
- From the Office of Biosafety, Health Canada. The MSDS listing is produced for personnel working in the life sciences as quick safety reference material relating to infectious micro-organisms.
- http://www.phac-aspc.gc.ca/msds-ftss/

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

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

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

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

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/

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

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

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

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/