Synonyms: 2,7-Naphthalenedisulfonicacid,5-[[4-chloro-6-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[(2-sulfophenyl)azo]-,tetrasodium salt (9CI); 2,7-Naphthalenedisulfonic acid, 5-[[4-chloro-6-[p-[(2-hydroxyethyl)sulfonyl]anilino]-s-triazin-2-yl]amino]-4-hydroxy-3-[(o-sulfophenyl)azo]-,p-(hydrogen sulfate), tetrasodium salt (8CI); Apollofix Red; Apollofix Red SF2B; C.I. 18215; C.I. Reactive Red 227; C.I. Reactive Red 240; Reactive Red 227;Reactive Red 240; Reactive Red M 2B