Molecular Formula C26H14N2O4 Molecular Weight 418.41 CAS Registry Number 5521-31-3 EINECS 226-866-1 IdentificationName Pigment Red 179Synonyms 2,9-Dimethylanthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-1,3,8,10(2H,9H)-tetrone; C.I. 71130 Molecular Structure Molecular Formula C26H14N2O4Molecular Weight 418.41CAS Registry Number 5521-31-3EINECS 226-866-1 Pigment Red 179 5521-31-3