| Product Name | Ponceau SX |
| Color Shade |  |
| Synonyms | Food Red 1 |
| Chemical Name | disodium;3-[(2,4-dimethyl-5-sulfonatophenyl)diazenyl]-4-hydroxynaphthalene-1-sulfonate |
| Molecular Formula | - |
| C.I. No | 14700 |
| C.I. Name | - |
| FDA Status | FD&C Red 4 |
| CAS No. | 4548-53-2 |
| EINECS No. | - |
| E NUMBER | E-125 |
| Test | EEC (Limit) | |
| Total coloring matters calculated as the sodium salt, percent by mass. | Min. | 87 |
| Water insoluble matter, percent by mass. | Max. | 0.20 |
| Sum of volatile matter (at 135 deg.C.) and chlorides and sulfates (calculated as sodium salts), | Max. | 13% |
| 5-Amino-2,4-dimethyl-1-benzenesulfonic acid, sodium salt | Max. | 0.20% |
| 4-Hydroxy-1-naphthalenesulfonic acid, sodium salt, | Max. | 0.20% |
| Subsidiary colors | Max. | 2% |
| Heavy metals (as Pb), (mg/kg.) | Max. | 10 |
| Arsenic, (mg/kg.) | Max. | 3 |
| Mercury, (mg/kg.) | Max. | 1 |
| Cadmium, (mg/kg.) | Max. | 1 |
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