Ponceau SX

japan red no. 4 ; japan red 4 ; c red no. 4 ; red 4 ; purple4r ; 12101red ; 1-naphthalenesulfonicacid, 3-[(2,4-dimethyl-5-sulfophenyl)azo]-4-hydroxy-, disodium salt (9ci) ; japan red 504 ; redno.1 ; usacert red no. 4 ; food red1 ; fd& ; japan red no. 504 ; aka504 ; redno.4 ; hexacol ponceau sx ; edicolsupra ponceau sx ; c.i. 14700 ; food red 4 ; foodred4 ; red no. 504 ; d&cred4 ; d and c red no. 4 ; c.i. food red 1, disodium salt (8ci) ; fdc red 4 ; ponceau sx (6ci) ; fd and c red no. 4 ; 1306red ; 1306 red ; certicol ponceau sxs ; 1-naphthalenesulfonicacid, 3-[2-(2,4-dimethyl-5-sulfophenyl)diazenyl]-4-hydroxy-, sodium salt (1:2) ; 4rpurple ; red no. 1 ; c.i.food red 1 (7ci)