John Wiley & Sons, Inc. SpectraBase; SpectraBase Compound ID=IsSc4fLHnF3 SpectraBase Spectrum ID=2a8S4sI9CmB

(accessed ).
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
Mol Weight 534.35630785 g/mol
Molecular Formula C16H9N4Na3O9S2
Exact Mass 533.950406 g/mol

Transmission Infrared (IR) Spectrum

Transmission Infrared (IR) Spectrum

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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
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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
SpectraBase Batch ID BlWZ1SNaeeW
Synonyms C.I. Acid Yellow 23; Tartrazine
Technique KBr WAFER