Carmoisine is a mono azo dye which primarily composes
disodium 4 hydroxy-3-Naphtylene-1-Sulfonate.
Synonyms: C.I.Food Red # 3
| No. |
Molecular Description |
Composition |
| 1) |
Total colour/Assay, percent by Mass, Min. |
85 |
| 2) |
Water-insoluble matter, percent by mass, Max. |
0.2 |
| 3) |
Combined ether extracts, percent by mass, Max. |
0.2 |
| 4) |
Subsidiary dyes, percent by mass, Max. |
2 |
| 5) |
Dye intermediates, percent by mass, Max.
1 -naphthylamine-4-sulfonic acid.
1 -napthol-4-sulfonic acid. |
0.5 |
|
|
|
| 7) |
Lead, mg/kg, Max. |
10 |
| 8) |
Arsenic, mg/kg, Max. |
3 |
| 9) |
Heavy metals, (as pb) mg/kg, Max. |
40 |
| 10) |
Mercury, mg/kg, Max. |
1 |
| 11) |
Cadmium, mg/kg, Max. |
1 |
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