- Marshall University Chemistry Department – more SDS search links
- Acros Organics – search for Acros, Fisher, and Maybridge products
- Airgas – search on pure & mixed gases
- Avantor Performance Materials – search for J.T. Baker and Macron Chemicals
- Canadian Center for Occupational Health & Safety – search by manufacturer/supplier
- Fisher Scientific – search for Fisher and Acros products
- ILPI – where to find MSDSs on the Internet – search Government & Non-Profit, and Chemical Manufacturers and Suppliers
- MSDS Xchange – offering a free online binder, and product and manufacturer searches
- NIH National Library of Medicine: Hazardous Substances Data Bank
- NIOSH Pocket Guide to Chemical Hazards – info on chemical safety and compatibility
- NJ Department of Health, Right to Know Program: Hazardous Substance Fact Sheets
- NOAA CAMEO Chemicals – online database of hazardous materials
- Praxair – search by product name or P-number to learn about the composition, hazards, storage recommendations, and other critical facts for different gases
- Science Lab – search by CAS, chemical name, or chemical formula
- Sigma-Aldrich – search for Sigma products, registration required
- SIRI MSDS Index – manufacturer/supplier links; search by CAS, chemical name, and NSN
- VWR – search by chemical name, manufacturer, catalog number or SDS text