Thallium(I)

Thallium(I) is a chemical compound with the formula Tl+. This compound is a monovalent thallium ion, which is the most common oxidation state of thallium. Thallium(I) is often found in various minerals and it is used in a variety of applications, including electronics and optics.

Chemical properties

Thallium(I) is a soft, malleable metal that can be cut with a knife. It has a bluish-white color when freshly cut, but it tarnishes to a bluish-gray color in air. Thallium(I) is highly reactive and it can form a variety of compounds with other elements.

Physical properties

Thallium(I) has a melting point of 304 °C and a boiling point of 1,473 °C. It has a density of 11.85 g/cm3 at room temperature. Thallium(I) is a good conductor of electricity and it has a high thermal conductivity.

Uses

Thallium(I) is used in a variety of applications. It is used in the manufacture of electronic devices, such as semiconductors and photocells. Thallium(I) is also used in the production of optical glass and crystal. In addition, it is used in the treatment of certain medical conditions, such as cancer.

Health effects

Exposure to thallium(I) can cause a variety of health effects. Ingestion or inhalation of thallium(I) can cause nausea, vomiting, and diarrhea. Long-term exposure can lead to more serious health effects, such as damage to the nervous system and kidneys.

See also

• Thallium
• Thallium(III)
• Thallium poisoning

References

Thallium(I) Resources
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