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Substance Name: Tropaeolin OO
RN: 554-73-4
UNII: VR8Q3R288W
InChIKey: MLVYOYVMOZFHIU-ANVLNOONSA-M

Molecular Formula

  • C18-H15-N3-O3-S.Na

Molecular Weight

  • 375.383
 
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Names and Synonyms

Name of Substance

  • Tropaeolin OO

Synonyms

  • Acid Yellow D
  • Benzenesulfonic acid, p-((p-anilinophenyl)azo)-, monosodium salt
  • Benzenesulfonic acid, p-((p-anilinophenyl)azo)-, sodium salt
  • C.I. 13080
  • C.I. Acid Orange 5
  • Diphenylamine Orange
  • EINECS 209-071-4
  • Hispacid Orange IV
  • NSC 10456
  • Orange 4 Lake
  • Orange GS
  • Orange IV
  • Orange N
  • Sodium p-diphenylamino-azobenzenesulfonate
  • Solar Orange IV
  • Tertracid Orange IV
  • Tropaeolin OO
  • Tropeolin OO
  • UNII-VR8Q3R288W

Systematic Names

  • Benzenesulfonic acid, 4-((4-(phenylamino)phenyl)azo)-, monosodium salt
  • Benzenesulfonic acid, 4-(2-(4-(phenylamino)phenyl)diazenyl)-, sodium salt (1:1)
  • C.I. Acid Orange 5, monosodium salt
  • Sodium 4-((4-(anilino)phenyl)azo)benzenesulphonate

Registry Numbers

CAS Registry Number

  • 554-73-4

FDA UNII

  • VR8Q3R288W

Other Registry Number

  • 1342-34-3

Related Registry Number

  • 17040-79-8 (Parent)

System Generated Number

  • 0000554734

Molecular Formulas

Molecular Formula

  • C18-H15-N3-O3-S.Na

Molecular Formula Fragments

  • C18-H15-N3-O3-S
  • COMPONENT
  • Na

Structure Descriptors

InChI

InChI=1S/C18H15N3O3S.Na/c22-25(23,24)18-12-10-17(11-13-18)21-20-16-8-6-15(7-9-16)19-14-4-2-1-3-5-14;/h1-13,19H,(H,22,23,24);/q;+1/p-1/b21-20+;

InChIKey

MLVYOYVMOZFHIU-ANVLNOONSA-M

Smiles

[Na+].[O-]S(=O)(=O)c1ccc(cc1)\N=N\c2ccc(Nc3ccccc3)cc2

Physical Properties

Physical Property Value Units Temp (deg C) Source
log P (octanol-water) 2.250 (none)   EST
Atmospheric OH Rate Constant 2.00E-10 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.