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Substance Name: Direct Red 75 tetrasodium
RN: 29269-21-4
UNII: 2I1C40HZM3
InChIKey: SIPPGDIWSFBBGL-RRJGSHPESA-J

Molecular Formula

  • C33-H22-N8-O15-S4.4Na

Molecular Weight

  • 990.8018
 
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Names and Synonyms

Name of Substance

  • Direct Red 75 tetrasodium

Synonyms

  • 2-Naphthalenesulfonic acid, 5,5'-(carbonylbis(imino((3-sulfo-4,1-phenylene)azo)))bis(6-amino-4-hydroxy-, tetrasodium salt
  • C.i. direct Red 75 tetrasodium
  • Direct Red 75
  • Direct Red 75 tetrasodium
  • UNII-2I1C40HZM3

Registry Numbers

CAS Registry Number

  • 29269-21-4

FDA UNII

  • 2I1C40HZM3

System Generated Number

  • 0029269214

Structure Descriptors

InChI

1S/C33H26N8O15S4.4Na/c34-21-5-1-15-9-19(57(45,46)47)13-25(42)29(15)31(21)40-38-17-3-7-23(27(11-17)59(51,52)53)36-33(44)37-24-8-4-18(12-28(24)60(54,55)56)39-41-32-22(35)6-2-16-10-20(58(48,49)50)14-26(43)30(16)32;;;;/h1-14,42-43H,34-35H2,(H2,36,37,44)(H,45,46,47)(H,48,49,50)(H,51,52,53)(H,54,55,56);;;;/q;4*+1/p-4/b40-38+,41-39+;;;;

InChIKey

SIPPGDIWSFBBGL-RRJGSHPESA-J

Smiles

[Na+].[Na+].[Na+].[Na+].Nc1ccc2cc(cc(O)c2c1N=Nc3ccc(NC(=O)Nc4ccc(cc4S(=O)(=O)[O-])N=Nc5c(N)ccc6cc(cc(O)c56)S(=O)(=O)[O-])c(c3)S(=O)(=O)[O-])S(=O)(=O)[O-]