Tartrazine

Tartrazine

Tartrazine

Tartrazine is a synthetic lemon yellow azo dye primarily used as a food coloring. It is also known as E number E102, C.I. 19140, FD&C Yellow 5, Acid Yellow 23Food Yellow 4, and trisodium 1–4–5-pyrazolone-3-carboxylate

Product CharacteristicsProduct Detail
Colour Index No.19140
Food Colour No.Yellow 4
F.D. & C. No.Yellow 5
CAS NO.1934-21-0
E.E.C. No.E-102
I.S. No.1694
Total Dye Content Corrected for Sample (Min.)87%
Volatile Matter (chloride & sulphate) (Max)13%
Solubility In Water (20oc)120 gram / litre
Combined Ether Extract. (Max)0.20%
Water Insoluble (Max)0.20%
ClassMonoazo
Light Stability6
Heat Stability (100oc)5
Alkali Stability4
Subsidiary Dyes (MAX)1.00%
Dyes Intermediate (Max)0.50%
Lead< 10 ppm
Arsenic< 3 ppm
Mercury< 1 ppm
Heavy Metals< 20 ppm