The Envirofacts relational database combines data from four major EPA programs: RCRIS, which contains information on hazardous waste transporters, generators, and treatment, storage and disposal facilities; CERCLIS, which has information about Superfund and National Priority List sites; TRIS, which has data about the release and transfer of more than 300 chemicals and compounds; and PCS, which has data on more than 75000 water discharge permits.
On this comprehensive system, you can conduct searches by chemical or manufacturer name. MSDS provide data on product identification, fire and explosive hazards, and reactivity. They also provide procedures for spills and disposal as well as storage and handling precautions and physical transportation.