Synonyms: Eriochrome blue SE;1058-92-0;AC1O6RTA;EINECS 213-894-4;Disodium 3-((5-chloro-2-hydroxyphenyl)azo)-4,5-dihydroxy-2,7-naphthalenedisulfonate;Disodium 3-(5-chloro-2-hydroxyphenylazo)-4,5-dihydroxynaphthalene-2,7-disulphonate;2,7-Naphthalenedisulfonic acid, 3-((5-chloro-2-hydroxyphenyl)azo)-4,5-dihydroxy-, disodium salt;2,7-Naphthalenedisulfonic acid, 3-(2-(5-chloro-2-hydroxyphenyl)diazenyl)-4,5-dihydroxy-, sodium salt (1:2);3-((5-Chloro-2-hydroxyphenyl)azo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid disodium salt;50814-17-0;62610-65-5;disodium (3Z)-3-[(5-chloro-2-hydroxyphenyl)hydrazinylidene]-5-hydroxy-4-oxonaphthalene-2,7-disulfonate