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Chemistry, 7/e
Raymond Chang, Williams College

Web Links

Constants and Conversions



Fundamental Physical Constants and Conversion Factors, Freie University of Berlin
(http://www.chemie.fu-berlin.de/chemistry/general/index_en.html)

Physical constants, SI units, and conversion factors

Structure and Properties



ChemFinder, Cambridge Soft
(http://chemfinder.cambridgesoft.com/)

Data on mp, bp, specific gravity, vapor density, solubility, structure, etc. of more than 60,000 compounds.

Spectral Data



Integrated Spectral Database System, National Institute of Materials and Chemical Researc...
(http://www.aist.go.jp/RIODB/SDBS/menu-e.html)

Mass spectral, NMR (proton and carbon), and infrared spectra (under construction) of more than 10,000 compounds.

Galactic Spectral Database
(http://www.galactic.com/galactic/_gala/spcdb.htm)

Primarily Infrared spectra. Search by CAS Number, name, and formula

Themodynamic Data



The NIST Chemistry WebBook, National Institute of Science and Technology
(http://webbook.nist.gov/chemistry/)

Thermodynamic data, and infrared and mass spectra. Can search by name, formula, molecular weight, registry number.

Toxicity/Safety Data Material Safety Data Sheets



Vermont SIRI
(http://hazard.com/msds2)

180,000 MSDS records.

University of Kentucky Chemistry Department MSDS Resource
(http://www.ilpi.com/msds/index.html)

Contains links and info about many MSDS sites.

Periodic Chart



Periodic Table, WebElements, University of Sheffield
(http://www.chemicalelements.com/)

One of the most comprehensive periodic tables. Mirror sites at a number of institutions, including

http://www.shef.ac.uk/~chem/web-elements/
(http://www.shef.ac.uk/~chem/web-elements/)

Reaction Constants (Ka, Ksp, etc)



Tables of Chemical Data, University of Alberta
(http://www.chem.ualberta.ca/~plambeck/che/data/p0040x.htm)

Physical constants, atomic masses, thermodynamic properties, Ka for mono and polyprotic acids, Ksp, Kf, reduction potentials.









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