Look up pentoxide in Wiktionary, the free dictionary.
Pentoxide may refer to:
- Antimony pentoxide, Sb2O5
- Arsenic pentoxide, As2O5
- Carbon pentoxide, CO5
- Dinitrogen pentoxide, N2O5
- Iodine pentoxide, I2O5
- Niobium pentoxide, Nb2O5
- Phosphorus pentoxide, P4O10
- Tantalum pentoxide, Ta2O5
- Tungsten pentoxide, W18O49