12227-62-2 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-((4-sulfo-1-naphthalenyl)azo)-, aluminum complex 39290-74-9 53026-59-8 Aluminum, 3-hydroxy-4-((4-sulfo-1-naphthalenyl)azo)-2,7-naphthalenedisulfonic acid complex C,I, Acid Red 27, aluminum complexes C.I. 16185:1 C.I. Food Red 9 aluminum lake C.I. Food Red 9:1 C.I. Pigment Black 11 C.I. Pigment Red 193 Certolake Amaranth EINECS 235-437-8 FD and C Red No. 2 Aluminum Lake Pigment Red 193