Acid Yellow 23
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Product Description
Product
Acid Yellow 23
CAS
1934-21-0
Formula
C16H9N4O9S2 3Na
Synonym
Food yellow 4; Tartrazine; Tartrazine yellow Trisodium-3-carboxy-5-hydroxy-1-p-sulfophenyl-4-p-sulfophenylazopyrazole; 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl) azo]-, trisodium salt; 3-Carboxy-5-hydroxy-1-p-sulfophenyl-4-p-sulfophenylazopyrazole trisodium salt; Acid yellow 23 (INCI); Acid yellow 23 trisodium salt; CI 19140; DC Yellow No. 5 4,5-Dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl) azo]-1H-pyrazole-3-carboxylic acid trisodium salt; FD&C Yellow No. 5
Typical Product Specifications
Atmospheric OH Rate Constant
3.69E-11 cm3/molecule-sec
log P (octanol-water)
-10.17
Chemical Structure
Notes
Acid Yellow 23 uses and applications include: Dye for polyamide fibers; pigment in printing inks; colorant for cosmetics, hair dyes, foods, pharmaceuticals (orals and topicals), eye use; colorant in paperpaperboard in contact with aqueousfatty foods
Suggested storage of Acid Yellow 23: Hygroscopic
Class
Industry
Acid Yellow 23
Product Description
Product
Acid Yellow 23
CAS
1934-21-0
Formula
C16H9N4O9S2 3Na
Synonym
Food yellow 4; Tartrazine; Tartrazine yellow Trisodium-3-carboxy-5-hydroxy-1-p-sulfophenyl-4-p-sulfophenylazopyrazole; 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl) azo]-, trisodium salt; 3-Carboxy-5-hydroxy-1-p-sulfophenyl-4-p-sulfophenylazopyrazole trisodium salt; Acid yellow 23 (INCI); Acid yellow 23 trisodium salt; CI 19140; DC Yellow No. 5 4,5-Dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl) azo]-1H-pyrazole-3-carboxylic acid trisodium salt; FD&C Yellow No. 5
Typical Product Specifications
Atmospheric OH Rate Constant
3.69E-11 cm3/molecule-sec
log P (octanol-water)
-10.17
Chemical Structure
Notes
Acid Yellow 23 uses and applications include: Dye for polyamide fibers; pigment in printing inks; colorant for cosmetics, hair dyes, foods, pharmaceuticals (orals and topicals), eye use; colorant in paperpaperboard in contact with aqueousfatty foods
Suggested storage of Acid Yellow 23: Hygroscopic
Class
Industry
