Encyclopedias and Dictionaries
- Acronyms and Abbreviations Database
- Database of chemical acronyms (such as "MTBE") and abbreviations.
- Chemical Thesaurus
- A free reaction chemistry database.
- Classic Organic Reactions
- Diagrams of well known organic name reactions. (ChemPen)
- Dictionary of Chemistry
- Searchable dictionary of chemical terms. (Oxford Reference Online)
- Electrochemical Science and Technology Information Resource (ESTIR)
- Contains much electrochemistry information, including a fulltext dictionary and encyclopedia. (Case Western Reserve Univ.)
- IUPAC Compendium of Chemical Terminology
- Online version of the IUPAC "Gold Book".
- Kirk Othmer Encyclopedia of Chemical Technology
- Full text access to the online edition of this well-known reference source. Updated regularly, this authoritative encyclopedia covers many aspects of chemical and process engineering, chemical industry and economics, materials science, biotechnology, and more. It is searchable by keywords, chemical names and CAS registry numbers, patent numbers, authors and affiliations.
- Science of Synthesis
- Search and view the full text of all published volumes of the 5th edition of this authoritative review series on organic synthesis methodologies, plus the entire full text of the completed 4th edition of Houben-Weyl Methoden der Organischen Chemie (1952-2003).
- What's That Stuff?
- A regular feature of Chemical & Engineering News that provides interesting explanations of the chemistry behind everyday products such as gasoline, margarine, sunscreens, and more.
Reference Tools 
