Products |
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| Specification |
| Product
Name |
GREEN
S |
| Colour Shade |
|
| Synonyms |
Acid
Green 50 |
| Chemical
Name |
Sodium
5-[4-dimethylamino-α-(4-dimethyliminocyclohexa-
2,5-dienylidene)benzyl]- 6- hydroxy- 7- sulfonato
- naphthalene- 2- sulfonate |
| C.I.
No |
44090 |
| C.I.
Name |
Food
Green 4 |
| FDA
Status |
- |
| CAS
No. |
3087-16-9 |
| EINECS
No. |
221-409-2 |
| E.
NUMBER |
E-142 |
Sr.
No. |
Test |
EEC |
| |
Limit |
| 1 |
Total
dye content, percent by mass on
dry basis
at 105 ±
1°C for 2 hrs.) |
Min. |
80.00 |
| 2 |
Loss
on drying at 135°C and sodium
chloride
and sulphate,
percent by mass |
Max |
20.00 |
| 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
4,4_-bis(dimethylamino)-benzhydryl
alcohol
4,4_-bis(dimethylamino)-benzophenone
3-hydroxynaphthalene-2,7-disulfonic
acid |
Max |
00.10
00.10
00.20
|
| 8 |
Leuco
base, percent by mass |
Max |
05.00 |
| 9 |
Heavy
metals Lead, Copper, Chromium, Arsenic,
Mercury, Zinc, Antimony, Nickel,
Barium,(PPM) |
Max |
40 |
| 10 |
Arsenic
(PPM) |
Max |
03 |
| 11 |
Lead
(PPM) |
Max |
10 |
| 12 |
Mercury
(PPM) |
Max |
01 |
| 13 |
Cadmium
(PPM) |
Max |
01 |
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