Online Chemistry and Chromatography Information
Check-out Agilent's Searchable Compound Chromatogram Library
ChemExper
Cool 3D molfile view of molecules that can be manipulated and a unique java applet allowing you to draw a substructure and search on that substructure. Some physical properties listed. German version of the site available via link.
Chemfinder
Access to compounds with physical data.
Chemical Abstracts Services
This is a fee based site. Considered the most significant storehouse for chemical information.
Constants and Equations Pages
All kinds of useful equations, constants, conversions, symbols, and formulae.
Institute of Chemistry
SI units and a conversion applet.
MSDS Online
Access to 300,000 Material Safety Datasheets. Service is free, but you must register.
NIST Chemistry WebBook
Great physical and thermodynamic data.
NIST Index of Online and Downloadable Databases
Multiple links to physical data of a chemical engineering nature. Some are web accessible, others are downloadable.
Polycyclic Aromatic Hydrocarbon Structure Index
Searchable index to 660 PAHs.
WebElements
Online periodic table of elements. |