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Acid Yellow 23

**** Identification ****
Name: Acid Yellow 23
Synonyms: C.I.19140; Tartrazine; Food Yellow 4; Trisodium 1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)-5-pyrazolone-3-carboxylate
Molecular Structure: chemoffer CAS #: 1934-21-0
Molecular Formula: C16H9N4Na3O9S2
Molecular Weight: 534.36
CAS Number: 1934-21-0
EINECS: 217-699-5
**** Properties ****
Melting point: 300°C
Water solubility: 260 g/L (30°C)
**** Safety Data ****
Safety Description: S24/25 Details

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