| Specification | |
| Product Name | Chocolate Brown HT |
| Colour Shade |  |
| Synonyms | Food Brown 3, Brown HT |
| Chemical Name | Disodium 4,4-(2,4-dihydroxy-5-hydroxy methyle-1,3-phenylene biazo)di(napthelene-1-sulfonate) |
| Molecular Formula | C27H18N4Na2O9S2 |
| C.I. No | 20285 |
| C.I. Name | --- |
| FDA Status | --- |
| CAS No. | 4553-89-3 |
| EINECS No. | 224-924-0 |
| E NUMBER | E-155 |
| Test | EEC (Limit) | |
| Total colouring matters calculated as the sodium salt percent by mass | Min. | 70 |
| 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. | 10 |
|
Total organic compound other than colouring matters, percent by mass. 4-aminonaphthalene-1-sulfonic acid |
Max. | --- 0.50 |
| Heavy metals as pb(mg/kg.) | Max. | 40 |
| Arsenic, (mg/kg.) | Max. | 3 |
| Lead (mg/kg.) | Max. | 10 |
| Mercury (mg/kg.) | Max. | 1 |
| Cadmium (mg/kg.) | Max. | 1 |
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