Part of the Johnson Matthey group of companies, Alfa Aesar is a leading manufacturer and supplier of research chemicals, metals and materials in a wide span of applications. For more than 45 years, scientists have relied on Alfa Aesar to supply high purity raw materials for a variety of research and development applications. Today we offer over 30,000 products in stock, in sizes from gram-scale catalog items to semi-bulk and bulk production quantities. With custom manufacturing capabilities to s...