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Acid Yellow 23 [1934-21-0]

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Identification
Name Acid Yellow 23
Synonyms C.I.19140; Tartrazine; Food Yellow 4; Trisodium 1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)-5-pyrazolone-3-carboxylate
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Molecular Structure CAS # 1934-21-0 (642-62-6), Acid Yellow 23, C.I.19140, Tartrazine, Food Yellow 4, Trisodium 1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)-5-pyrazolone-3-carboxylate
Molecular Formula C16H9N4Na3O9S2
Molecular Weight 534.36
CAS Registry Number 1934-21-0 (642-62-6)
 
Properties
Melting point 300 ºC
Water solubility 260 g/L (30 ºC)
 
Safety Data
Safety Description S24/25    Details
SDS Available
 
Market Analysis Reports
List of Reports Available for Acid Yellow 23
 

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