Agent Name

Astatine

CAS Number

7440-68-8

Formula

At2

Major Category

Physical/Radiation

Category

Radionuclides

Description

More metallic than iodine; Soluble in organic solvents; [Merck Index]

Sources/Uses

A radioactive halogen that is one of the rarest elements in nature; No stable nuclides; Natural isotopes created from the uranium decay series; Radioisotopes range in mass from 194-223; Longest lived natural isotope has a half life of 56 seconds; Longest lived artificial isotope has a half life of 8.1 hours; [Merck Index]

Comments

See "Radiation, ionizing."

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