Name – Indigo Carmine
Classification – C.I No.-73015/E132/F.D&C BLUE 2/Indigotine/C.I. FOOD BLUE 1/I.S.1698
|
No. |
Characteristic |
Requirement |
|
|
Description |
Reddish Blue Powder |
|
1 |
Total colour/Assay, percent by Mass, min. |
85.00 |
|
2 |
Water-insoluble matter, percent by mass, Max. |
00.20 |
|
3 |
Combined ether extracts, percent by mass, Max. |
00.20 |
|
4 |
Subsidiary dyes, percent by mass, Max. |
02.00 |
|
5 |
Dye intermediates, percent by mass, max.
• Isatin sulphanic acid,
• 5- Sulfoanthranilic acid |
00.50 |
|
6 |
Unsulfonated primary aromatic amine (calculated as aniline)
percent by mass, max |
No |
|
7 |
Lead, mg/kg, Max. |
10.00 |
|
8 |
Arsenic, mg/kg, Max |
03.00 |
|
9 |
Heavy metals, (as pb) mg/kg, max |
40.00 |
|
10 |
Mercury, mg/kg, Max. |
01.00 |
|
11 |
Cadmium, mg/kg, Max |
01.00 |