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Substance Name: Hydroxynaphthol blue
RN: 63451-35-4
InChIKey: AUIINJJXRXMPGT-ZRUFZDNISA-K

Note

  • A metal indicator for calcium and a colorimetric reagent for alkaline earth metal ions used for a colorimetric assay of the loop-mediated isothermal amplification reaction reaction.

Molecular Formula

  • C20-H14-N2-O11-S3.3Na

Molecular Weight

  • 620.478
 
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Names and Synonyms

Results Name

  • Hydroxynaphthol blue

Name of Substance

  • Trisodium 3-hydroxy-4-((2Z)-2-(2-oxo-4-sulfonatonaphthalen-1-ylidene)hydrazinyl)naphthalene-2,7-disulfonate

Synonyms

  • 1,1'-Azonaphthalene, 2,2'-dihydroxy-3,3',6-trisulfonic acid-, trisodium salt
  • EINECS 264-197-7
  • Hydroxy naphthol blue
  • Hydroxynaphthol blue

Systematic Names

  • 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-((2-hydroxy-4-sulfo-1-naphthalenyl)azo)-, trisodium salt
  • 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-(2-(2-hydroxy-4-sulfo-1-naphthalenyl)diazenyl)-, sodium salt (1:3)
  • Trisodium 3-hydroxy-4-((2-hydroxy-4-sulphonato-1-naphthyl)azo)naphthalene-2,7-disulphonate

Registry Numbers

CAS Registry Number

  • 63451-35-4

System Generated Number

  • 0063451354

Molecular Formulas

Molecular Formula

  • C20-H14-N2-O11-S3.3Na

Molecular Formula Fragments

  • C20-H14-N2-O11-S3
  • COMPONENT
  • Na

Structure Descriptors

InChI

1S/C20H14N2O11S3.3Na/c23-15-9-16(35(28,29)30)13-3-1-2-4-14(13)18(15)21-22-19-12-6-5-11(34(25,26)27)7-10(12)8-17(20(19)24)36(31,32)33;;;/h1-9,23-24H,(H,25,26,27)(H,28,29,30)(H,31,32,33);;;/q;3*+1/p-3/b22-21+;;;

InChIKey

AUIINJJXRXMPGT-ZRUFZDNISA-K

Smiles

c12c(\N=N\c3c4ccccc4c(S(=O)(=O)[O-])cc3O)c(O)c(S(=O)(=O)[O-])cc1cc(S(=O)(=O)[O-])cc2.[Na+].[Na+].[Na+]