SpectraBase Spectrum ID |
Fs9gQ1k3hIE |
Name |
1-(4-Sulfophenyl)-4-(4-sulfophenylazo)-5-hydroxy-1H-pyrazole-3-carboxylic acid trisodium salt |
Source of Sample |
American Cyanamid Company |
CAS Registry Number |
1934-21-0 |
Chemical Description |
MONOAZO |
Classification |
Dyes, Pigments and Stains= FOOD DYE |
Color Properties |
Colour Index Name= FOOD YELLOW 4
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 |