Red 2G is a mono azo dye. It is a disodium salt of
8-actamido-1-hydroxy-2-phenylazonaphthalene-3,6 disulphonate.
Synonyms: C.I.Food RED 10
AZOGERANINE
C.I.ACID RED #1
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. |
2 |
5) |
Dye intermediates, percent by mass, max. |
0.5 |
6) |
Unsulfonated primary aromatic
amine (calculated as aniline) percent by mass, max. |
0.01 |
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 |