Antimony(III) oxide hydroxide nitrate is an inorganic compound with the chemical formula Sb4O4(OH)2(NO3)2.
It is one of the very few nitrates of antimony.
No evidence for a simple trinitrate has been reported.
According to X-ray crystallography, its structure consists of cationic layers of antimony oxide/hydroxide with intercalated nitrate anions.
This compound is produced by the reaction of antimony(III) oxide and nitric acid at 110 °C.