International Union for Pure Applied Chemistry http://www.iupac.org/
IUCLID (International Uniform ChemicaL Information Database )
International Unified Chemical Information Database - is a software product and information system for use by the chemical industry, manufacturers and importers of chemicals, as well as government agencies for the collection, storage, maintenance, submission and exchange of information on chemicals.
http://www.iuclid.eu/
Databases of the European Chemicals Agency on registered chemicals in accordance with EU Regulations: REACH, CLP, BPR, PIC.
http://echa.europa.eu/information-on-chemicals
Databases of the German Social Accident Insurance Fund DGUV.
http://www.dguv.de/ifa/GESTIS/index-2.jsp
Chemical section of the ILO website
http://www.ilo.org/safework/industries-sectors/WCMS_219013/lang–en/index.htm
OECD Chemical Information Databases and Publications Portal.
http://www.echemportal.org/
Toxicological Information Network on Chemicals. Includes database search HSDB, TOXLINE, ChemIDplus, BREASTFEEDING & DRUGS LactMed, DEVELOPMENTAL TOXICOLOGY LITERATURE DART, CHEMICAL RELEASES MAPPING TOXMAP, TRI, GENOMICS CTD, HOUSEHOLD PRODUCT SAFETY, OCCUPATIONAL EXPOSURE TO CHEMICALS Haz-Map, RISK ASSESSMENT IRIS, ITER, ANIMAL TESTING ALTERNATIVES ALTBIB, ARCHIVED, NO LONGER UPDATED CCRIS, CPDB, GENE-TOX,
http://toxnet.nlm.nih.gov/
Databases of the Swedish Chemical Agency
List of national and interstate (EU) chemical bases.
http://www.kemi.se/en/directly-to/databases