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4-Amino-m-toluenesulfonic acid

View entire compound with spectra: 1 NMR, 1 FTIR, and 1 MS (GC)

4-Amino-m-toluenesulfonic acid
SpectraBase Compound ID Lj68qYLRqIa
InChI InChI=1S/C7H9NO3S/c1-5-4-6(12(9,10)11)2-3-7(5)8/h2-4H,8H2,1H3,(H,9,10,11)
InChIKey WQTCZINVPXJNEL-UHFFFAOYSA-N
Mol Weight 187.21 g/mol
Molecular Formula C7H9NO3S
Exact Mass 187.030314 g/mol

Attenuated Total Reflectance Infrared (ATR-IR) Spectrum

Attenuated Total Reflectance Infrared (ATR-IR) Spectrum

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SpectraBase Spectrum ID 9Vz6PISsbAb
Name 2-Aminotoluene-5-sulfonic acid
Source of Sample Aldrich
Catalog Number 102555
CAS Registry Number 98-33-9
Copyright Copyright © 2018-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2025 John Wiley & Sons, Inc. All Rights Reserved.
Formula C7H9NO3S
InChI InChI=1S/C7H9NO3S/c1-5-4-6(12(9,10)11)2-3-7(5)8/h2-4H,8H2,1H3,(H,9,10,11)
InChIKey WQTCZINVPXJNEL-UHFFFAOYSA-N
Purity 98%
Synonyms 4-Amino-3-methylbenzenesulfonic acid 2-Amino-5-toluenesulfonic acid
Wiley ID SIAL_ATR-IR_006694