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Tartrazine (Acid Yellow 23) (C.I. No. 19140)

Acid Yellow 23; Filter Yellow

Specifications: Orange Powder >85%
CAS No: 1934-21-0
Unit Price
25 g  750  
100 g  1500 
500 g  7500
Appearance Orange to Brown powder to crystal
Purity(HPLC) min. 98.0 area%
Purity(UV-vis method) min. 95.0 %(calcd.on dried substance)
Lambda max. 426.0 to 430.0 nm(AcONH4 sol.)
Drying loss max. 10.0 %