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Astatine

Astatine structure

CAS No:
7440-68-8
Formula:
At2
Chemical Name:
Astatine
Synonyms:
Astatine;Helvetium;Alabamine;Diastatine;31665-25-5;76971-83-0
Categories:
Organic Chemistry > Free Radicals

Description

radioactive crystal(s) halogen with 20 isotopes; heaviest of the halogens; 209At, t1/2=5.5 h; 210At, t1/2=8.3 h; more metallic than iodine; preparation: from Bi by α-particle bombardment; possible medical uses, concentrates in thyroid gland [HAW93] [MER06]

Diastatine is an elemental astatine.|Astatine. A radioactive halogen with the atomic symbol At, and atomic number 85. Its isotopes range in mass number from 200 to 219 and all have an extremely short half-life. Astatine may be of use in the treatment of hyperthyroidism because it emits ALPHA PARTICLES.

Astatine Basic Attributes

Molecular Weight：

419.974

Exact Mass：

419.974

UNII：

XI595HAL7H

DSSTox ID：

DTXSID40225391

Characteristics

PSA：

Melting Point：

302°C

Water Solubility：

soluble organic solvents [MER06]

Drug Information

MeSH Entry Terms：

Astatine

Computed Properties

Molecular Weight:419.97429
Exact Mass:419.9743
Monoisotopic Mass:419.9743
Heavy Atom Count:2
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes