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Substance Name: 1,3-Naphthalenedisulfonic acid, 7-(2-(1,8-dihydroxy-3,6-disulfo-2-naphthalenyl)diazenyl)-, sodium salt (1:4)
RN: 29637-28-3
InChIKey: JNWGHPWKVDMXIB-LUAAAXEOSA-J

Molecular Formula

  • C20-H14-N2-O14-S4.4Na

Molecular Weight

  • 722.523
 
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Names and Synonyms

Synonym

  • EINECS 249-745-5

Systematic Names

  • 1,3-Naphthalenedisulfonic acid, 7-((1,8-dihydroxy-3,6-disulfo-2-naphthalenyl)azo)-, tetrasodium salt
  • 1,3-Naphthalenedisulfonic acid, 7-(2-(1,8-dihydroxy-3,6-disulfo-2-naphthalenyl)diazenyl)-, sodium salt (1:4)
  • Tetrasodium 7-((1,8-dihydroxy-3,6-disulphonato-2-naphthyl)azo)naphthalene-1,3-disulphonate

Registry Numbers

CAS Registry Number

  • 29637-28-3

System Generated Number

  • 0029637283

Molecular Formulas

Molecular Formula

  • C20-H14-N2-O14-S4.4Na

Molecular Formula Fragments

  • C20-H14-N2-O14-S4
  • COMPONENT
  • Na

Structure Descriptors

InChI

1S/C20H14N2O14S4.4Na/c23-15-7-12(37(25,26)27)4-10-5-17(40(34,35)36)19(20(24)18(10)15)22-21-11-2-1-9-3-13(38(28,29)30)8-16(14(9)6-11)39(31,32)33;;;;/h1-8,23-24H,(H,25,26,27)(H,28,29,30)(H,31,32,33)(H,34,35,36);;;;/q;4*+1/p-4/b22-21+;;;;

InChIKey

JNWGHPWKVDMXIB-LUAAAXEOSA-J

Smiles

c1(c(c(O)c2c(c1)cc(S([O-])(=O)=O)cc2O)\N=N\c1cc2c(S(=O)([O-])=O)cc(S(=O)(=O)[O-])cc2cc1)S([O-])(=O)=O.[Na+].[Na+].[Na+].[Na+]