Compendium of Chemical Terminology

Welcome to the interactive version of IUPAC Compendium of Chemical Terminology, informally known as the "Gold Book". On these pages you will find a new browsable, interactive version of this publication.
You may start:
- by browsing the alphabetical index (left),
- by using one of the many thematic indexes (left),
- or by using the search in the navigation bar.
To learn more about the Gold Book and this interactive version see the about page (Updated 7/1/17).
Expanded Search!
Search using terms, synonyms, acronyms, and abbreviations
New Download Formats!
Download the terms in JSON and XML formats (as well as PDF and Plain views)
Submit a Feature
Got a great idea for a new feature, capability, or improvements we can add to this site. Submit your idea to:
schalk@unf.edu