Resources - Toxicology

TOXNET: Toxicology Data Network

TOXNET (TOXicology Data NETwork) is a cluster of databases covering toxicology, hazardous chemicals, environmental health and related areas. It is managed by the Toxicology and Environmental Health Information Program (TEHIP) in the Division of Specialized Information Services (SIS) of the National Library of Medicine (NLM). TOXNET provides free access to and easy searching of the following databases:

Toxicology Databases

HSDB (Hazardous Substances Data Bank)
A factual database focusing on the toxicology of over 4,800 potentially hazardous chemicals. In addition to toxicity data, HSDB provides information in the areas of emergency handling procedures, industrial hygiene, environmental fate, human exposure, detection methods, and regulatory requirements. The data are fully referenced and peer-reviewed by a Scientific Review Panel composed of expert scientists.
IRIS (Integrated Risk Information System)
A database from the U.S. Environmental Protection Agency (EPA) containing carcinogenic and non-carcinogenic health risk information on over 500 chemicals. IRIS risk assessment data has been scientifically reviewed by EPA scientists and represents EPA consensus.
ITER (International Toxicity Estimates for Risk)
This database contains data in support of human health risk assessments. It is compiled by Toxicology Excellence for Risk Assessment (TERA) and contains over 600 chemical records. ITER provides a comparison of international risk assessment information in a side-by-side format and explains differences in risk values derived by different organizations. ITER data, focusing on hazard identification and dose-response assessment, is extracted from each agency’s assessment and contains links to the source documentation.
CCRIS (Chemical Carcinogenesis Research Information System).
A scientifically evaluated and fully referenced data bank, developed and maintained by the National Cancer Institute (NCI). It contains over 8,900 chemical records with carcinogenicity, mutagenicity, tumor promotion, and tumor inhibition test results. Data are derived from studies cited in primary journals, current awareness tools, NCI reports, and other special sources. Test results have been reviewed by experts in carcinogenesis and mutagenesis.
GENE-TOX (Genetic Toxicology)
A toxicology database created by the U.S. Environmental Protection Agency (EPA) containing genetic toxicology test results on over 3,000 chemicals. Selected literature was reviewed by scientific experts for each of the test systems under evaluation; the results are represented in GENE-TOX.
Tox Town
An interactive guide to commonly encountered toxic substances, your health, and the environment. It uses color, graphics, sounds and animation to convey connections between chemicals, the environment, and the public's health. The City or Town neighborhoods are designed to provide facts on toxic chemicals found in everyday locations, information about how the environment can impact human health, non-technical descriptions of chemicals, links to authoritative chemical information on the Internet, and Internet resources on environmental health topics. Tox Town's target audience is students above elementary-school level, educators, and the general public. It is a companion to the extensive information in the TOXNET collection of databases that are typically used by toxicologists and health professionals. Tox Town also offers some resources in Spanish (//toxtown.nlm.nih.gov/espanol/).
Household Products Database
This database provides information on the potential health effects of chemicals contained in more than 4,000 common household products used inside and around the home. The database allows users to browse a product category, such as 'Pesticides' or 'Personal Care,' by alphabetical listing of brand names. Products can also be searched by type, manufacturer, product ingredient/chemical name and by health effects. The record for each product shows the ingredients as reported in the manufacturer's Material Safety Data Sheet (MSDS) and includes other information such as handling, disposal, and health effects.
Haz-Map(R)
An occupational toxicology database designed primarily for health and safety professionals, but also for consumers seeking information about the health effects of exposure to chemicals at work. It links jobs and hazardous tasks with occupational diseases and their symptoms. The approximately 1,000 chemicals and biological agents in the database are related to industrial processes and other activities such as hobbies. The linkage indicates the potential for exposure to the agents. The 180 occupational diseases and their symptoms are associated with hazardous job tasks. This association indicates an increased risk for significant exposure and subsequent disease.
TOXMAP
A web site from the National Library of Medicine (NLM) that uses maps of the United States to show the amount and location of toxic chemicals released into the environment. Data is derived from the EPA's Toxics Release Inventory (TRI), which provides information on the releases of toxic chemicals into the environment as reported annually by industrial facilities around the United States.

The TOXNET "Multiple Databases" option allows for simultaneous searching of HSDB, IRIS, CCRIS, and GENE-TOX.

Toxicology Literature

TOXLINE
A bibliographic database providing comprehensive coverage of the biochemical, pharmacological, physiological, and toxicological effects of drugs and other chemicals from 1965 to the present. TOXLINE contains over 3 million citations, almost all with abstracts and/or index terms and CAS Registry Numbers. TOXLINE references are drawn from sources grouped into two major parts, TOXLINE Core and TOXLINE Special, both of which offer a variety of search and display capabilities.
DART/ETIC (Development and Reproductive Toxicology/Environmental Teratology Information Center)
A bibliographic database covering literature on reproductive and developmental toxicology. DART is managed by NLM and funded by the EPA, the National Institute of Environmental Health Sciences (NIEHS) and NLM. DART/ETIC contains references to reproductive and developmental toxicology literature published since 1965.
Toxics Release Inventory (TRI)
A series of databases that describe the releases of toxic chemicals into the environment annually for the 1987-2002 reporting years. TRI is mandated by the Emergency Planning and Community Right-to-Know Act and is based on data submitted to the EPA from industrial facilities throughout the U.S. These data include the names and addresses of those facilities, and the amounts of certain toxic chemicals they release to the air, water, or land, or transfer to waste sites. Information is included on over 650 chemicals and chemical categories. Pollution prevention data are also reported by each facility for each chemical.

Chemical Information

ChemIDplus
A database providing access to structure and nomenclature authority databases used for the identification of chemical substances cited in NLM databases. ChemIDplus contains over 368,000 chemical records, of which over 235,000 include chemical structures. ChemIDplus is searchable by Name, Synonym, CAS Registry Number, Molecular Formula, Classification Code, Locator Code, and Structure. A new ChemIDplus Lite version is available for Name and RN searching without the need for plugins or applets.
NCI-3D
A database of over 213,000 substances with 2D and 3D information compiled from the National Cancer Institute (NCI).

Web Access/Searching

TOXNET databases are accessible free of charge at: //toxnet.nlm.nih.gov

TOXNET's web interface is designed as an easy way to search databases of varying formats and content. It can be used to locate toxicology data, literature references, and toxic release information on particular chemicals as well as to search to identify chemicals that cause specific effects. TOXNET offers a variety of ways to display and sort information. Its "Multi-Databases" feature provides an integrated search of any or all of several databases (HSDB, IRIS, CCRIS, GENE-TOX). Its "Search All Databases" feature provides a list of TOXNET databases in which a search term is found, each paired with the retrieval record count and with links to the Search Results page of those databases.

Links are available from TOXNET to PubMed(R), NLM's free web interface to the world's biomedical literature, and to additional sources of toxicological information.

Further Information

For detailed information on TOXNET, contact:

Specialized Information Services
National Library of Medicine
Two Democracy Plaza, Suite 510
6707 Democracy Boulevard, MSC 5467
Bethesda, MD 20892-5467
Telephone: (301) 496-1131
e-mail: tehip@teh.nlm.nih.gov
URL: //sis.nlm.nih.gov

For general information on the Library's computerized information services, including TOXNET, contact:

National Library of Medicine
Customer Service
8600 Rockville Pike
Bethesda, MD 20894
Telephone: 1-888-FINDNLM (1-888-346-3656)
e-mail: custserv@nlm.nih.gov

A complete list of NLM Fact Sheets is available at:
(alphabetical list) //www.nlm.nih.gov/pubs/factsheets/factsheets.html
(subject list): //www.nlm.nih.gov/pubs/factsheets/factsubj.html

Or write to:

FACT SHEETS
Office of Communications and Public Liaison
National Library of Medicine
8600 Rockville Pike
Bethesda, Maryland 20894

Phone: (301) 496-6308
Fax: (301) 496-4450
email: publicinfo@nlm.nih.gov

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