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Acid Yellow 23
[CAS# 1934-21-0]

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Identification
ClassificationDyes and pigments >> Dyes >> Acid dyestuff
NameAcid Yellow 23
SynonymsC.I.19140; Tartrazine; Food Yellow 4; Trisodium 1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)-5-pyrazolone-3-carboxylate
Molecular StructureCAS # 1934-21-0, Acid Yellow 23
Molecular FormulaC16H9N4Na3O9S2
Molecular Weight534.36
CAS Registry Number1934-21-0 (642-62-6)
EC Number217-699-5
Properties
Melting point300 °C
Water solubility260 g/L (30 °C)
Safety Data
Safety StatementsS24/25  Details
Hazard Classification
up    Details
HazardClassCategory CodeHazard Statement
Skin sensitizationSkin Sens.1H317
Respiratory sensitizationResp. Sens.1H334
Chronic hazardous to the aquatic environmentAquatic Chronic2H411
Chronic hazardous to the aquatic environmentAquatic Chronic3H412
Reproductive toxicityRepr.2H361
SDSAvailable
Market Analysis Reports
List of Reports Available for Acid Yellow 23
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