Alfa Aesar
| Industry | Basic materials |
|---|---|
| Defunct | 2021 |
| Fate | Acquired by Thermo Fisher Scientific and products rebranded to Thermo Scientific |
| Headquarters | Ward Hill, Massachusetts, U.S. |
| Products | Specialty chemicals |
| Owner | Thermo Fisher Scientific |
| Website | www |
Alfa Aesar was a supplier of reagents and materials for use in research and development, and analysis. The company had facilities in a variety of countries and manufactured many of the chemicals they sold. The company was bought by Thermo Fisher Scientific in 2015, having previously existed as part of the Johnson Matthey Fine Chemicals & Catalysts Division. In 2021, Alfa Aesar products were rebranded under the Thermo Scientific brand name.