| |
Dynemic
Products Limited |
 |
Shade
& Specification |
|
|
| Specification |
| Product
Name |
INDIGO CARMINE |
| Colour
Shade |
|
| Synonyms |
Acid Blue 74 |
| Chemical Name |
Disodium
3,3'-dioxo-2,2'-bi-indolylidene-5,5'-disulphonate. |
| C.I. No |
73015 |
| C.I. Name |
Food Blue1 |
| FDA Status |
FD&C Blue # 2 |
| CAS No. |
860-22-0 |
| EINECS No. |
212-728-8 |
| E. NUMBER |
E-132 |
|
Sr.
No. |
Test |
EEC |
| |
Limit |
| 1 |
Total dye content, percent by
mass on dry basis
at 105 ± 1°C for 2 hrs.) |
Min. |
85.00 |
| 2 |
Loss on drying at 135°C and
sodium chloride
and sulphate, percent by mass |
Max |
15.00 |
| 3 |
Water insoluble matter, percent
by Mass |
Max |
00.20 |
| 4 |
Combined ether extract, percent
by mass |
Max |
00.20 |
| 5 |
Unsulfonated Primary aromatic
amines, percent by mass (calculated as aniline) |
Max |
00.01 |
| 6 |
Subsidiary dyes, percent by mass |
Max |
01.00 |
| 7 |
Dye Intermediates, percent by
mass
Isatin-5-sulfonic acid
5-sulfoanthranilic acid
Anthranilic acid |
Max |
00.50
|
| 8 |
Heavy
metals Lead, Copper, Chromium, Arsenic, Mercury,
Zinc, Antimony, Nickel, Barium,(PPM) |
Max |
40 |
| 9 |
Arsenic
(PPM) |
Max |
03 |
| 10 |
Lead
(PPM) |
Max |
10 |
| 11 |
Mercury
(PPM) |
Max |
01 |
| 12 |
Cadmium
(PPM) |
Max |
01 |
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