Tags: Chemical Compound, Chemical Substance.
Deuterated tetrahydrofuran (d8-THF) is a colourless organic liquid at standard temperature and pressure. This heterocyclic compound has the chemical formula (C2H2)4O and is the isotopologue of tetrahydrofuran. Deuterated THF is a rarely used as a solvent in NMR spectroscopy due to its expense.[citation needed]