CAS 3051-11-4 — Brilliant yellow

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Also known as: Direct Yellow 4 · Sodium 4,4'-bis(p-hydroxyphenylazo)-2,2'-vinylenedibenzenesulphonate · Sodium 6,6'-(ethene-1,2-diyl)bis(3-((4-hydroxyphenyl)diazenyl)benzenesulfonate) · 4,4'-Bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulfonic acid,sodium · Disodium 2,2'-(ethene-1,2-diyl)bis{5-[(4-hydroxyphenyl)diazenyl]benzene-1-sulfonate}

IUPAC: disodium;5-[(4-hydroxyphenyl)diazenyl]-2-[2-[4-[(4-hydroxyphenyl)diazenyl]-2-sulfonatophenyl]ethenyl]benzenesulfonate