Bons links para pesquisa em Química

The Catalyst: Chemistry Resources for the Secondary Education Teacher on the WWW
http://www.thecatalyst.org/
This site contains resources for both chemistry teachers and students. Links are divided into topical categories such as general, experiments, history, periodic tables, and software. It is also available in Spanish.

CCD: ChemicalExper Chemical Directory
http://www.chemexper.be/
This is a site where one can search for basic physical data and suppliers of chemicals by registry number, molecular formula, chemical name or synonyms in different languages.

ChemDex
http://www.chemdex.org
This site is links to other sites about chemistry. The links are arranged by categories so that the content of the linked pages is readily discernible.

Chemfinder.com
http://www.chemfinder.com/
This site allows searching by chemical name, CAS number, molecular number or molecular weight. Basic physical information is returned as well as synonyms, DOT Number, EPA Code, and links to additional information.

Chemical Achievers
http://www.chemheritage.org/classroom/chemach/index.html
Chemical Achievers: The Human Face of the Chemical Sciences. From the Chemical Heritage Foundation.

Chemical Elements.com
http://www.chemicalelements.com/index.html
Chemical Elements.com is an interactive periodic table of the elements. Entries include Basic Information, Atomic Structure, Isotopes, Facts, and Related Links.

Chemistry for Life
http://www.chemforlife.org/
Users can visit the Virtual Gallery and do experiments online. "Eight Global Messages of Chemistry" are available for viewing as QuickTime movies.

Steve Marsden's Chemistry Resources for Students and Teachers
http://www.chemtopics.com/
Steve Marsden's site is a collection of internet resources grouped under headings such as WWW Links, Elements, Lectures, Demos, and Labs.

CHEMystery: The Virtual Textbook
http://library.thinkquest.org/3659
This site is a virtual textbook, which gives basic descriptions of chemical terms that are useful to introductory chemistry students.

Data for General, Organic, and Physical Chemistry
http://wulfenite.fandm.edu/Data /Data.html
This site contains tables of useful data for general, organic and physical chemistry. Some data included are electronegativities, enthalpies of formation, ionization energies, electron affinities, bond energies and bond lengths and much more.

MathMol (Mathematics and Molecules)
http://www.nyu.edu/pages/mathmol
This website gives an introduction to molecular modeling and offers examples of products available for educational purposes.

The NIST Reference on Constants, Units, and Uncertainty
http://physics.nist.gov/cuu/index.html
This site provides a searchable database of values of constants and a searchable bibliography.

NIST WebBook
http://webbook.nist.gov/
This site provides searchable access to the data compiled and distributed by the National Institute of Standards and Technology such as thermochemical and thermophysical data, IR spectra, and mass spectra.

Organic Chemistry Web Site Links
http://organicdivision.org/links.html
This site gives links to many other sites that are useful for general as well as organic chemists. Links include chemistry portals, databases, nomenclature, and named reaction sites.

Science Help Online - Chemistry
http://www.fordhamprep.com/gcurran/sho/sho/
This site could be used as a supplement to instruction in the classroom or as a tutorial for students who need a little extra help.

Spectra Online
http://spectra.galactic.com/
This is a free search service, which provides access to over 6,000 spectra. The database can be searched using compound name, CAS number, molecular formula, molecular weight or through spectrum matching. Spectra are FT-IR, UV-Vis, Raman, NIR, and MS.

ThermoDex: An Index of Selected Thermodynamic Data Handbooks
http://thermodex.lib.utexas.edu/
This is a searchable index of printed handbooks and compilations of thermodynamic and thermophysical data. It is useful for finding which handbook might contain the data needed. The cataloging system used is that of the Library of Congress.

University of Georgia Environmental Safety Services Right To Know Program
http://www.esd.uga.edu/rtk/
This site provides links to Materials Safety Data Sheets (MSDS) and other sources of information for pharmaceuticals and pesticides.

WebElements Periodic Table
http://www.webelements.com/
This site gives element information including names in four languages, historical information, uses and physical, electronic, and nuclear properties.

Web Links for Chemists
http://www.liv.ac.uk/chemistry/links/links.html
This is a site of links for chemists divided up into categories and sub-categories. Contains useful reference information for colleges and universities looking for funding and publications.

Where to Find Material Safety Data Sheets on the Internet
http://www.ilpi.com/msds/index.html
Indexes include general sites, government agencies, chemical manufacturers, and links to pesticide information.

http://www.loc.gov/rr/scitech/selected-internet/chemistry.html