Black PN is a black diazo dye.
Synonyms: C.I.Food Brown #1
Brilliant Black-A
Brilliant Black-BN
| No. |
Molecular Description |
Composition |
| 1) |
Total colour/Assay, percent by Mass, min. |
80 |
| 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. |
10 |
| 5) |
Dye intermediates, percent by mass, max. |
0.8 |
| 6) |
Unsulfonated primary aromatic amine
(calculated as aniline) percent by mass, max. |
0.01 |
| 7) |
Lead, mg/kg, Max. 10.00 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. |
|
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