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Substance Name: Benzenesulfonic acid, 3-(2-(2,4-dihydroxyphenyl)diazenyl)-4-hydroxy-
RN: 2918-80-1
InChIKey: NOYGQBBPVKLDQU-BUHFOSPRSA-N

Molecular Formula

  • C12-H10-N2-O6-S

Molecular Weight

  • 310.285
 
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Names and Synonyms

Synonyms

  • 3-(2,4-Dihydroxyphenylazo)-4-hydroxybenzenesulfonic acid
  • C.I. Mordant Red 5
  • EINECS 220-855-5
  • Mordant Red 5
  • NSC 97024

Systematic Names

  • 3-(2,4-Dihydroxyphenylazo)-4-hydroxybenzenesulphonic acid
  • Benzenesulfonic acid, 3-((2,4-dihydroxyphenyl)azo)-4-hydroxy-
  • Benzenesulfonic acid, 3-(2-(2,4-dihydroxyphenyl)diazenyl)-4-hydroxy-

Registry Numbers

CAS Registry Number

  • 2918-80-1

System Generated Number

  • 0002918801

Structure Descriptors

InChI

1S/C12H10N2O6S/c15-7-1-3-9(12(17)5-7)13-14-10-6-8(21(18,19)20)2-4-11(10)16/h1-6,15-17H,(H,18,19,20)/b14-13+

InChIKey

NOYGQBBPVKLDQU-BUHFOSPRSA-N

Smiles

O=S(=O)(O)c1ccc(O)c(\N=N\c2c(O)cc(O)cc2)c1