| Specification | |
| Product Name | Chocolate Brown HT | 
| Colour Shade |  | 
| Synonyms | Food Brown - 3 | 
| Chemical Name | Disodium 4,4-(2,4-dihydroxy-5-hydroxy methyle-1,3-phenylene biazo)di(napthelene-1-sulfonate) | 
| 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. | 0.70 | 
| 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 |