Cas no 6637-87-2 (2,7-Naphthalenedisulfonicacid,4-[2-[2,4-dihydroxy-5-[2-(2-hydroxy-3,5-dinitrophenyl)diazenyl]-3-[2-(4-nitrophenyl)diazenyl]phenyl]diazenyl]-5-hydroxy-,sodium salt (1:2))

2,7-Naphthalenedisulfonicacid,4-[2-[2,4-dihydroxy-5-[2-(2-hydroxy-3,5-dinitrophenyl)diazenyl]-3-[2-(4-nitrophenyl)diazenyl]phenyl]diazenyl]-5-hydroxy-,sodium salt (1:2) structure
6637-87-2 structure
Product Name:2,7-Naphthalenedisulfonicacid,4-[2-[2,4-dihydroxy-5-[2-(2-hydroxy-3,5-dinitrophenyl)diazenyl]-3-[2-(4-nitrophenyl)diazenyl]phenyl]diazenyl]-5-hydroxy-,sodium salt (1:2)
CAS No:6637-87-2
MF:C28H15N9Na2O16S2
MW:843.578944444656
CID:512731
PubChem ID:16131135
Update Time:2025-04-19

2,7-Naphthalenedisulfonicacid,4-[2-[2,4-dihydroxy-5-[2-(2-hydroxy-3,5-dinitrophenyl)diazenyl]-3-[2-(4-nitrophenyl)diazenyl]phenyl]diazenyl]-5-hydroxy-,sodium salt (1:2) Chemical and Physical Properties

Names and Identifiers

    • 2,7-Naphthalenedisulfonicacid,4-[2-[2,4-dihydroxy-5-[2-(2-hydroxy-3,5-dinitrophenyl)diazenyl]-3-[2-(4-nitrophenyl)diazenyl]phenyl]diazenyl]-5-hydroxy-,sodium salt (1:2)
    • 2,7-Naphthalenedisulfonicacid,4-[2-[2,4-dihydroxy-5-[2-(2-hydroxy-3,5-dinitrophenyl)diazenyl]-3-[2-(4-nitrophenyl)diazenyl]ph
    • C.I. Acid Brown 75
    • 2,7-Naphthalenedisulfonic acid, 4-(2-(2,4-dihydroxy-5-(2-(2-hydroxy-3,5-dinitrophenyl)diazenyl)-3-(2-(4-nitrophenyl)diazenyl)phenyl)diazenyl)-5-hydroxy-, sodium salt (1:2)
    • disodium 4-[2,4-dihydroxy-5-(2-hydroxy-3,5-dinitro-phenyl)azo-3-(4-nitrophenyl)azo-phenyl]azo-5-hydroxy-naphthalene-2,7-disulfonate
    • EINECS 229-637-4
    • Disodium 4-[[2,4-dihydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-3-[(4-nitrophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphon ate
    • 2,7-Naphthalenedisulfonic acid, 4-((2,4-dihydroxy-5-((2-hydroxy-3,5-dinitrophenyl)azo)-3-((4-nitrophenyl)azo)phenyl)azo)-5-hydroxy-, disodium salt
    • 8011-86-7
    • Disodium 4-((2,4-dihydroxy-5-((2-hydroxy-3,5-dinitrophenyl)azo)-3-((4-nitrophenyl)azo)phenyl)azo)-5-hydroxynaphthalene-2,7-disulphonate
    • 6637-87-2
    • NSC 47740
    • Disodium 4-2,4-dihydroxy-5-(2-hydroxy-3,5-dinitrophenyl)azo-3-(4-nitrophenyl)azophenylazo-5-hydroxynaphthalene-2,7-disulphon ate
    • 4-((2,4-Dihydroxy-3-((4-nitrophenyl)azo)-5-((3,5-dinitro-2-hydroxyphenyl)azo)phenyl)azo)-5-hydroxy-2,7-naphthalenedisulfonic acid, disodium salt
    • W-110171
    • DTXSID30889567
    • Acid Brown 75
    • disodium;4-[[2,4-dihydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)diazenyl]-3-[(4-nitrophenyl)diazenyl]phenyl]diazenyl]-5-hydroxynaphthalene-2,7-disulfonate
    • NS00047205
    • Inchi: 1S/C28H17N9O16S2.2Na/c38-23-10-17(55(51,52)53)6-12-5-16(54(48,49)50)9-18(24(12)23)30-32-20-11-21(33-31-19-7-15(36(44)45)8-22(26(19)39)37(46)47)28(41)25(27(20)40)34-29-13-1-3-14(4-2-13)35(42)43;;/h1-11,38-41H,(H,48,49,50)(H,51,52,53);;/q;2*+1/p-2/b32-30+,33-31+,34-29+;;
    • InChI Key: SKCQDFLBBMGDPT-YNVLCFGRSA-L
    • SMILES: S(C1=CC(=C2C(=CC(=CC2=C1)S(=O)(=O)[O-])O)/N=N/C1C=C(C(=C(C=1O)/N=N/C1C=CC(=CC=1)[N+](=O)[O-])O)/N=N/C1C=C(C=C(C=1O)[N+](=O)[O-])[N+](=O)[O-])(=O)(=O)[O-].[Na+].[Na+]

Computed Properties

  • Exact Mass: 842.98755
  • Monoisotopic Mass: 822.013
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 4
  • Hydrogen Bond Acceptor Count: 16
  • Heavy Atom Count: 57
  • Rotatable Bond Count: 11
  • Complexity: 1720
  • Covalently-Bonded Unit Count: 2
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Topological Polar Surface Area: 418A^2

Experimental Properties

  • PSA: 398.9

2,7-Naphthalenedisulfonicacid,4-[2-[2,4-dihydroxy-5-[2-(2-hydroxy-3,5-dinitrophenyl)diazenyl]-3-[2-(4-nitrophenyl)diazenyl]phenyl]diazenyl]-5-hydroxy-,sodium salt (1:2) Related Literature

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