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4-Amino-1,1'-azobenzene-3,4'-disulfonic acid monosodium salt

View entire compound with spectra: 1 Raman

4-Amino-1,1'-azobenzene-3,4'-disulfonic acid monosodium salt
SpectraBase Compound ID GyHWTmh56UP
InChI InChI=1S/C12H11N3O6S2.Na/c13-11-6-3-9(7-12(11)23(19,20)21)15-14-8-1-4-10(5-2-8)22(16,17)18;/h1-7H,13H2,(H,16,17,18)(H,19,20,21);/q;+1/p-1/b15-14+;
InChIKey YXKNHTSZQIOQDP-WPDLWGESSA-M
Mol Weight 379.34 g/mol
Molecular Formula C12H10N3NaO6S2
Exact Mass 378.990872 g/mol

Raman Spectrum

Raman Spectrum

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SpectraBase Spectrum ID 4xvN1uk1pSF
Name 4-Amino-1,1'-azobenzene-3,4'-disulfonic acid monosodium salt
Catalog Number 250309
Brand ALDRICH
CAS Registry Number 74543-21-8
Copyright Copyright © 2017-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2017-2025 John Wiley & Sons, Inc. All Rights Reserved.
Formula C12H10N3NaO6S2
Formula (reported) C12H10N3NaO6S2
InChI InChI=1S/C12H11N3O6S2.Na/c13-11-6-3-9(7-12(11)23(19,20)21)15-14-8-1-4-10(5-2-8)22(16,17)18;/h1-7H,13H2,(H,16,17,18)(H,19,20,21);/q;+1/p-1/b15-14+;
InChIKey YXKNHTSZQIOQDP-WPDLWGESSA-M
Purity 97%
Synonyms 2-Amino-5-([4-sulfophenyl]azo)benzenesulfonic acid monosodium salt Acid Yellow 9 monosodium salt
Wiley ID SIAL_RAMAN_006306