alizarin Search Term: AlizarinSource Category: ASSISTAlizarin is on the Recommended Chemicals list for Australian schools. Synonyms: C.I. 58000; C.I. Mordant Red 11; Alizarin red; 1,2-Dihydroxyanthroquinone; CAS Number: 72-48-0; Signal Word: Warning. Tags: 72-48-0C.I. 58000C.I. Mordant Red 11Alizarin red