| Synonyms: |
Benzenesulfonicacid, 4-[(4-hydroxyphenyl)azo]-, monosodium salt (9CI); Benzenesulfonic acid,p-[(p-hydroxyphenyl)azo]-, monosodium salt (8CI); Benzenesulfonic acid,p-[(p-hydroxyphenyl)azo]-, sodium salt (7CI); Sodium4-(4-hydroxyphenylazo)benzenesulfonate; Sodiump-(p-hydroxyphenylazo)benzenesulfonate; Tropaeolin Y |