Tartrazine Food Color is synthetic acid dye that contains NN and CC chromophore groups and is in form of red dye. Being soluble in water, Synthetic Tartrazine Food Color comes with melting point of >300 C that makes these suitable for coloring of cosmetics, medicines and food. Available in red to maroon powder form finish, it’s a dye from AZO dye group.
Tartrazine Food Color
| Specification | |
|---|---|
| Product Name | Tartrazine |
| Colour Shade | |
| Synonyms | Food Yellow - 4 |
| Chemical Name | Tri-sodium 5-hydroxy-1-(4-Sulfonato phenyl-4-(4-Sulfonato phenylazo) pyrazole-3-carbaxylate |
| C.I. No | 19140 |
| C.I. Name | Acid Yellow- 23 |
| FDA Status | FD&C Yellow - 5 |
| CAS No. | 1934-21-0 |
| EINECS No. | 217-699-5 |
| E. NUMBER | E-102 |
| Test | EEC (Limit) | |
|---|---|---|
| Total colouring matters calculated as the sodium salt, percent by mass. | Min. | 85 |
| Water insoluble matter, percent by mass. | Max. | 0.20 |
| Combined ether extract, percent by mass. | Max. | 0.20 |
| Unsulfonated Primary aromatic amines, percent by mass (calculated as aniline). | Max. | 0.01 |
| Subsidiary dyes, percent by mass. | Max. | 1 |
| Total organic compound other than colouring matter, percent by mass. 4-hydrazinobenzene sulfonic acid 4-aminobenzene-1-sulfonic acid 5-oxo-1-(4-sulfophenyl)- 2-pyrazoline-3-carboxylic acid 4 4_-diazoaminodi(benzene sulfonic acid) Tetrahydroxysuccinic Acid |
Max. | 0.50 |
| Heavy metals (as Pb), (mg/kg.) | Max. | 40 |
| Arsenic (mg/kg.) | Max. | 3 |
| Lead (mg/kg.) | Max. | 2 |
| Mercury (mg/kg.) | Max. | 1 |
| Cadmium (mg/kg.) | Max. | 1 |