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10190-66-6 sodium p-[(2,4-diaminophenyl)azo]benzenesulphonate

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Product Name sodium p-[(2,4-diaminophenyl)azo]benzenesulphonate
CAS No. 10190-66-6
Synonyms C.I. 13220; C.I. Direct Brown 191; Benzenesulfonic acid, p-((2,4-diaminophenyl)azo)-, monosodium salt (8CI); sodium 4-[(E)-(2,4-diaminophenyl)diazenyl]benzenesulfonate
InChI InChI=1/C12H12N4O3S.Na/c13-8-1-6-12(11(14)7-8)16-15-9-2-4-10(5-3-9)20(17,18)19;/h1-7H,13-14H2,(H,17,18,19);/q;+1/p-1/b16-15+;
Molecular Formula C12H11N4NaO3S
Molecular Weight 314.2955