Neptunium(III) chloride or neptunium trichloride is an inorganic compound with a chemical formula NpCl₃. This salt is strongly radioactive.

Production

Neptunium(III) chloride can be produced by reducing neptunium(IV) chloride by

ammonia Ammonia is an inorganic compound of nitrogen and hydrogen with the formula . A stable binary hydride, and the simplest pnictogen hydride, ammonia is a colourless gas with a distinct pungent smell. Biologically, it is a common nitrogenous was ...

hydrogen Hydrogen is the chemical element with the symbol H and atomic number 1. Hydrogen is the lightest element. At standard conditions hydrogen is a gas of diatomic molecules having the formula . It is colorless, odorless, tasteless, non-toxic, an ...

at 350~400 °C: :2+\longrightarrow 2+2

Chemical properties

Neptunium(III) chloride hydrolyzes at 450 °C and forms an

oxychloride In chemistry, molecular oxohalides (oxyhalides) are a group of chemical compounds in which both oxygen and halogen atoms are attached to another chemical element A in a single molecule. They have the general formula , where X = fluorine (F), chlor ...

NpOCl.

References

{{Chlorides Neptunium compounds Chlorides Actinide halides