Assertion: astatine's compound | /r/HasProperty | stored over time
Facets:
value: due to decomposition into elemental iodine
type: CAUSE
Source sentences:
text: As such, iodide is the best leaving group among the halogens, to such an extent that many organoiodine compounds turn yellow when stored over time due to decomposition into elemental iodine; as such, they are commonly used in organic synthesis, because of the easy formation and cleavage of the C–I bond.