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Substance Name: Benzenesulfonic acid, p-((p-hydroxyphenyl)azo)-, monosodium salt
RN: 2623-36-1
InChIKey: QZIOKUAQNKVSBO-IERUDJENSA-M

Molecular Weight

  • 300.2691
 
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Names and Synonyms

Synonym

  • Tropaeolin Y

Systematic Name

  • Benzenesulfonic acid, p-((p-hydroxyphenyl)azo)-, monosodium salt

Registry Numbers

CAS Registry Number

  • 2623-36-1

System Generated Number

  • 0002623361

Structure Descriptors

InChI

1S/C12H10N2O4S.Na/c15-11-5-1-9(2-6-11)13-14-10-3-7-12(8-4-10)19(16,17)18;/h1-8,15H,(H,16,17,18);/q;+1/p-1/b14-13+;

InChIKey

QZIOKUAQNKVSBO-IERUDJENSA-M

Smiles

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

Physical Properties

Physical Property Value Units Temp (deg C) Source
log P (octanol-water) -1.310 (none)   EST
Water Solubility 2.28E+05 mg/L 25 EST
Vapor Pressure 6.03E-17 mm Hg 25 EST
Atmospheric OH Rate Constant 1.35E-11 cm3/molecule-sec 25 EST

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