Curium(III) nitrate is an inorganic compound, a salt of curium and nitric acid with the chemical formula Cm(NO3)3.

[1][2][3] Reaction of curium and nitric acid:[4] Curium(III) nitrate is a solid that exists as a hydrate or anhydrate, depending on the synthesis.

The hydrates melt at 90 and 180 °C in crystallization water.

The anhydrate decomposes to curium(IV) oxide at temperatures above 400 °C.

[5] Curium(III) nitrate can be used to make curium(IV) oxide.