7440-25-7

CAS Nr.:

7440-25-7

Tantalum

EINECS Name:

Tantalum

231-135-5

EINECS Nr.:

231-135-5

Tantal

Synonym:

Tantal

Tantalum – High-Performance Metal for Demanding High-Tech Applications. Tantalum is a rare, silvery, shiny transition metal and is considered one of the strategically important raw materials of modern industry. Due to its exceptional physical and chemical properties, tantalum is primarily used in the electronics, chemical, and medical technology industries. The metal is particularly suitable for applications where high corrosion resistance, thermal stability, and electrical conductivity are required.

Physical Properties of Tantalum

Tantalum is a very dense metal with a density of approximately 16.65 g/cm³ and a molar mass of 180.95 g/mol. It has an extremely high melting point of around 3,017 °C, making it one of the refractory metals. In addition, tantalum is characterized by outstanding corrosion resistance and is largely resistant even to aggressive chemicals such as acids. The metal is also highly ductile, easily formable, and can be precisely processed. A thin oxide layer that forms on the surface additionally protects tantalum from oxidation and makes it particularly durable.

Examples of Applications of Tantalum

One of the most important applications of tantalum is the production of tantalum capacitors. These components are used in smartphones, computers, medical devices, and many other electronic products. Tantalum capacitors are known for their high capacitance, reliability, and compact design.

Due to its exceptional corrosion resistance, tantalum is frequently used in the chemical industry. It is applied in reactors, heat exchangers, pipelines, and other plant components that are exposed to aggressive chemicals.

Tantalum is biocompatible and is therefore widely used in medical technology, for example in bone implants, surgical instruments, and dental applications. Its excellent compatibility with the human body makes it an ideal material for medical implants.

In the aerospace sector, tantalum is used in high-temperature alloys and specialized components that must withstand extreme conditions. Its high temperature resistance and stability make it an important material for demanding technical applications.

Tantalum (CAS No. 7440-25-7) is a high-performance raw material with outstanding physical properties. Its exceptional corrosion resistance, high temperature stability, and excellent workability make it an indispensable material in the electronics, chemical, medical, and aerospace industries. With the growing demand for modern technologies and durable high-performance materials, the importance of tantalum will continue to increase in the future.