C.I. 27195; 3-Hydroxy-4-[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2,7-naphthalenedisulfonic acid tetrasodium salt
C22H16N4O13S4.4Na
760.57
2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-[2-sulfo-4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-,sodium salt (1:4)
228-319-2
1.01g/mLat 20°C
2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[[2-sulfo-4-[(4-sulfophenyl)azo]phenyl]azo]-, tetrasodiumsalt (9CI); C.I. Acid Red 112, tetrasodium salt (8CI); Ponceau S (6CI); C.I.Acid Red 112; Ponceau Red S; Ponceau S Extra