氧化铑,即三氧化二铑,是一种无机化合物,分子式是Rh₂O₃。中文别名:无水氧化铑,三氧化二铑。英文别名:Rhodium(III) oxide; dirhodium trioxide; Rhodiumoxideanhydrousgraypowder; Rhodium oxide; RHODIUM SESQUIOXIDE; RHODIUM(+3)OXIDE; RHODIUM(III) OXIDE ANHYDROUS; RHODIUM(III) OXIDE, 99.8%; oxygen(-2) anion; rhodium(+3) cation; oxo-(oxorhodiooxy)rhodium。黑色粉末。空气中稳定。主要用于加氢醛化、甲酰化和羟基化作用。