FREE / OPEN Chemistry Data

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Chemical & Physical Properties

Physical Properties 

Biological Properties

Crystal data

Spectral data

Programmatic Data Access

Software: contact the Chemistry Librarian (Leah, 

Chemistry Databases & Encyclopedias

Chemistry Literature

  • SciFinder (Cornell subscription): comprehensive coverage of literature in chemistry and related fields, including articles, patents, characterized chemicals, chemical reactions, and commercial sources.
  • Reaxys (Cornell subscription): web-based search and retrieval system for chemical compounds, reactions and property data, compiled from over 200 years of literature. 
  • PubMed (Free/Open): provides access to over 16 million citations from MEDLINE and other life science journals for biomedical articles back to the 1950s. 

Chemical Synthesis

  • Organic Reactions (Cornell subscription): searchable collection of important synthetic reactions, critical discussion and and representative experimental conditions. 
  • OrgSyn (Free/Open): eetailed and carefully checked procedures for the synthesis of organic compounds.
  • e-EROS, Encyclopedia of Organic Reagents (Cornell subscription): reagents used in organic chemistry, including oxidizing agents, transition metal organometallic reagents, enzymatic reagents, catalysts, protecting groups, peptide reagents and many more.

Chemical Engineering & Technology 

Chemical Analysis & Testing

  • ACS Reagent Chemicals (Cornell subscription): includes specifications and procedures for reagents and standard-grade reference materials for analytical chemistry.

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Chemistry Librarian

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Leah McEwen
293 Clark Hall
Ithaca, NY 14853-2501
Subjects: Chemistry, Engineering