127386-24-7 1345-13-7 162524-85-8 163912-29-6 C.I. 77280 CI 77280 Cerium oxide Cerium oxide (Ce2O3) Cerium sesquioxide Cerium trioxide Cerium(III) oxide Cerous oxide DICERIUM TRIOXIDE EINECS 215-718-1 HSDB 5828