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 23, Food Yellow 4, and trisodium 1–4–5-pyrazolone-3-carboxylate
Product Characteristics | Product 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% |
Class | Monoazo |
Light Stability | 6 |
Heat Stability (100oc) | 5 |
Alkali Stability | 4 |
Subsidiary Dyes (MAX) | 1.00% |
Dyes Intermediate (Max) | 0.50% |
Lead | < 10 ppm |
Arsenic | < 3 ppm |
Mercury | < 1 ppm |
Heavy Metals | < 20 ppm |