MSDS Libraries and Chemical Information Collections

The Vermont SIRI MSDS Collection - Safety Information Resources on the Internet
This site offers free access to manufacturers' MSDS collections. It claims to be the world's largest MSDS archive on the Internet. One may search by company, product name or CAS registry number. Some of the MSDS are dated, but nevertheless, these are actual MSDSs, not generic information.

Hazardous Chemicals Database at the University of Akron
This is a database of hazardous chemicals which may be searched by keyword, name, formula, and CAS, DOT, RTECS and EPA numbers. Sources for the data include the 1996 North American Emergency Response Guide Book, the Merck Index, and Hazardous Chemicals Data, NFPA 49, PC-49-94, 1994.

EPA Toxic Substances EPA Toxic Substances Data Sheets
The EPA Toxic Substances archive gives identifying name, CAS and DOT numbers, safety procedures for exposure, workplace limits, health hazards, handling and storage, first aid, and procedures for spills and emergencies.