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 supply many more specialized items, we are a one-stop source for research chemicals, metals and materials. Our product line consists of a comprehensive range of inorganic, organic and organometallic compounds; pure metals and elements; precious metal compounds and catalysts; fuel cell products; na..