OBO ID: CHEBI:87355

Term Name:	alizarin blue		Search Ontology:
Synonyms:	5,6-dihydroxynaphtho[2,3-f]quinoline-7,12-dione alizarin blue R C.I. 67410
Definition:	An organic heterotetracyclic compound that is naphtho[2,3-f]quinoline-7,12-dione carrying two additional hydroxy groups at positions 5 and 6. Used as an acid-base indicator. Between pH 0.0 and pH 1.6 it changes from pink to yellow, and between pH 6.0 and pH 7.6 it changes from yellow to green.
References:	CAS:568-02-5 Reaxys:275972
Ontology:	ChEBI  ( EBI )