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1-Naphthalenesulfonicacid, 3,3'-[(2,2'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-,disodium salt (9CI)

Names

[ CAS No. ]:
2872-74-4

[ Name ]:
1-Naphthalenesulfonicacid, 3,3'-[(2,2'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-,disodium salt (9CI)

[Synonym ]:
2,2'-Dimethyl-kongo-Di-Na-Salz
4,4'-Diamino-3,3'-(2,2'-dimethyl-biphenyl-4,4'-diylbisazo)-bis-naphthalin-1-sulfonsaeure,Dinatrium-Salz
Erie Red 4B (fast)
4,4'-diamino-3,3'-(2,2'-dimethyl-biphenyl-4,4'-diyl-bis-azo)-bis-naphthalene-1-sulfonic acid,disodium-salt

Chemical & Physical Properties

[ Density]:
1.5g/cm3

[ Molecular Formula ]:
C34H28N6NaO6S2+

[ Molecular Weight ]:
703.74200

[ Exact Mass ]:
703.14100

[ PSA ]:
226.98000

[ LogP ]:
12.08940

[ Index of Refraction ]:
1.729