Acid Yellow 23;1934-21-0

Name		Acid Yellow 23
Synonyms		C.I.19140; Tartrazine; Food Yellow 4; Trisodium 1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)-5-pyrazolone-3-carboxylate
Appearance		red-orange powder
Molecular Formula		C₁₆H₉N₄Na₃O₉S₂
Molecular Weight		534.36
CAS NO		1934-21-0

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