Macalester MSDS Database

Easily call up the MSDS for any chemical at Macalester - online!  Username and password required, contact Rob Rossi if you need it.

International Chemical Safety Cards

These cards, from the International Occupational Safety and Health Information Centre, are intended for end-users and are easier to understand than most MSDS sheets.

NIST Chemistry WebBook

A very useful reference from the National Institute of Standards, offering IR and mass spectra, physical data, and other information on most chemical compounds.

Chemexper

A company that provides a free service that allows one to find a chemical by its molecular formula, IUPAC name, common name, CAS number, catalog number, substructure or physical characteristics. The database contains currently more than 70 000 chemicals, 16000 MSDS and 5000 IR spectra.

The Vermont SIRI MSDS Collection

This site has offers a large database of Materials Safety Data Sheets (MSDS's).

WebElements - Periodic Table

This site contains a periodic table with the option of learning more information about each element.It also has an isotope pattern calculator and an element percentage calculator.