7440-69-9

CAS Nr.:

7440-69-9

Bismuth

EINECS Name:

Bismuth

231-177-4

EINECS Nr.:

231-177-4

Bismut / Wismut

Synonym:

Bismut / Wismut

Bismuth is a silvery-white, soft metal with low hardness and a characteristic shiny luster. It has a high density of 9.78 g/cm³ and a melting point of 271.3 degrees Celsius. These physical properties make it an interesting material for various applications in different industries.

Physical Properties of Bismuth

Bismuth is one of the heaviest non-radioactive metals and has a high density, making it suitable for applications in heavy industries. Despite its high density, it is relatively soft and easy to work with.

With a comparatively low melting point, bismuth is a popular material in metallurgy and is frequently used as an alloying metal.

Bismuth is resistant to many chemical substances, enabling its use in various environments, including in the chemical industry.

Applications of Bismuth

Bismuth is often used as an alloying element in various metal alloys. Especially in the heavy metal industry, it is used alongside other metals like lead, tin, and copper to enhance their properties. For example, bismuth is used in lead-free solder alloys to lower the melting temperature and improve environmental friendliness.

Due to its low toxicity, bismuth is used in the cosmetics and pharmaceutical industries, particularly in the production of makeup products such as eyeshadows, lipsticks, and powders. It is also used in some medical products, such as certain gastric preparations.

Bismuth compounds are used in some radiation shielding applications due to their ability to absorb neutrons. These applications range from radiation protection clothing to shields for nuclear facilities.

Overall, bismuth is an extremely versatile chemical raw material with a wide range of applications. Its unique physical properties and low toxicity make it a valuable material in various industries, from metallurgy to cosmetics.