Chemicals and materials hazardous information can usually be found in a Material Safety Data Sheet (MSDS) or in reference works. Below is a list of some commonly used resources for finding hazardous information.

NC State University MSDS Management System
Collection of over 500,000 material safety data sheets for chemical products. MSDS commonly contain information on chemical and physical properties; health, fire and reactivity hazards; environmental and regulatory requirements; spill and disposal procedures; first aid recommendations; and storage, handling and personal protective equipment.

Sax's Dangerous Properties of Industrial Materials
Available both online and in print. Print volumes (call number T55.3 .H3 L494) are available in the reference section in the D. H. Hill Library, the Veterinary Medicine Library, and the Textile Library.

TOXNET
Toxicology Data Network. Includes Hazardous Substances Data Bank (HSDB) - "Comprehensive, peer-reviewed toxicology data for about 5,000 chemicals".

Dictionary of Substances and Their Effects
From product description: "This 2005 electronic version of the original seven-volume collection of vital information has been updated to contain approximately 5,300 chemicals and their impact on the environment. Detailed information about the toxicity of the chemicals, physical properties and regulatory requirements is also presented. The information can be accessed through a live summary table that links to the detailed summaries or by browsing the table of contents for a specific chemical."