1-(4-Sulfophenyl)-4-(4-sulfophenylazo)-5-hydroxy-1H-pyrazole-3-carboxylic acid trisodium salt

SpectraBase Compound ID	IsSc4fLHnF3
InChI	InChI=1S/C16H12N4O9S2.3Na/c21-15-13(18-17-9-1-5-11(6-2-9)30(24,25)26)14(16(22)23)19-20(15)10-3-7-12(8-4-10)31(27,28)29;;;/h1-8,21H,(H,22,23)(H,24,25,26)(H,27,28,29);;;/q;3*+1/p-3/b18-17+;;;
InChIKey	YXHBBEQKMVAJOH-GLCFPVLVSA-K Google Search
Mol Weight	534.35630785 g/mol
Molecular Formula	C16H9N4Na3O9S2
Exact Mass	533.950403 g/mol

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SpectraBase Spectrum ID	2a8S4sI9CmB
Name	1-(4-Sulfophenyl)-4-(4-sulfophenylazo)-5-hydroxy-1H-pyrazole-3-carboxylic acid trisodium salt
Source of Sample	EASTMAN ORGANIC CHEMICALS, ROCHESTER, NEW YORK
CAS Registry Number	1934-21-0
Chemical Description	5-OXO-1-(p-SULFOPHENYL)-4-[(p-SULFOPHENYL)AZO]-2-PYRAZOLINE-3-CARBOXYLIC ACID, TRISODIUM SALT
Color Properties	Colour Index Name= ACID YELLOW 23 Colour Index Number= 19140
Copyright	Copyright © 1980, 1981-2024 John Wiley & Sons, Inc. All Rights Reserved.
Formula	C16H9N4Na3O9S2
InChI	InChI=1S/C16H12N4O9S2.3Na/c21-15-13(18-17-9-1-5-11(6-2-9)30(24,25)26)14(16(22)23)19-20(15)10-3-7-12(8-4-10)31(27,28)29;;;/h1-8,21H,(H,22,23)(H,24,25,26)(H,27,28,29);;;/q;3*+1/p-3/b18-17+;;;
InChIKey	YXHBBEQKMVAJOH-GLCFPVLVSA-K
Synonyms	C.I. Acid Yellow 23; Tartrazine
Technique	KBr WAFER