Chloro(triphenylphosphine)gold(I)
Chloro(triphenylphosphine)gold(I) or triphenylphosphinegold(I) chloride is a coordination complex with the formula (Ph3P)AuCl. This colorless solid is a common reagent for research on gold compounds.
Source: Wikipedia — Chloro(triphenylphosphine)gold(I) (CC BY-SA 4.0)