Nomenclature
CAS number: 41944-01-8
Potassium heptaiodobismuthate(4-).
BiI
7K
4; mol wt 1253.70.
Bi 16.67%, I 70.86%, K 12.47%.
K
4BiI
7.
Description and references
Prepn: Gmelins, Potassium (8th ed.) 22, p 1068 (1936).
Properties
Red crystals. Partly dec by water; completely
sol in alkali iodide solns.Use
Pptn of vitamins, particularly thiamine HCl, and
antibiotics from soln.