A pentachloride is a compound or ion that contains five chlorine atoms or ions. Common pentachlorides include:
- Antimony pentachloride, SbCl<sub>5</sub>
- Arsenic pentachloride, AsCl<sub>5</sub>
- Molybdenum pentachloride, MoCl<sub>5</sub>
- Niobium pentachloride, NbCl<sub>5</sub>
- Phosphorus pentachloride, PCl<sub>5</sub>
- Protactinium pentachloride, PaCl<sub>5</sub>
- Osmium pentachloride, OsCl<sub>5</sub>
- Rhenium pentachloride, Re<sub>2</sub>Cl<sub>10</sub>
- Tantalum pentachloride, TaCl<sub>5</sub>
- Tungsten pentachloride, WCl<sub>5</sub>
- Uranium pentachloride, UCl<sub>5</sub>
- Vanadium pentachloride, VCl<sub>5</sub>