Nomenclature
CAS number: 7783-96-2
AgI; mol wt 234.77.
Ag 45.95%, I 54.05%.
Description and references
Prepd according to the equation AgNO3 + KI → AgI + KNO3: Kolkmeijer, van Hengel, Z. Kristallogr. A88, 317 (1934).
Properties
Light yellow, odorless powder; slowly darkened
by light. Crystals are hexagonal or cubic. d 5.67; mp 552°. Practically insol in water (0.03 mg/l); in acid
(except concd HI in which it dissolves readily on heating); in ammonium
carbonate. Freely sol in solns of alkali cyanides or iodides; 35
mg dissolve in a liter of 10% ammonia; appreciably sol in concd solns
of alkali bromides, chlorides, thiocyanates, thiosulfates, mercuric
and silver nitrates. It is slowly attacked by boiling concd acids,
but not affected by hot solns of alkali hydroxides.Use
In cloud precipitation (rain-making).
Therapeutic Category
Local anti-infective.
Therapeutic Category (Veterinary)
In colloidal suspensions as local antiseptic
for mucous membranes.