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Green S
Green 4
Synonyms:
Acid Green 50
Chemical Name:
Sodium N-(4-((dimethylamino)phenyl)(2-hydroxy-3,6-disulfo-1- Naphthalenyl)-methylene)2,5-cyclohexadien-1-ylidene)-N-methyl Methanaminium.
C.I. No.:
44090
C.I. Name:
Food Green 4
FDA Status:
---
CAS No.:
3087-16-9
EINECS No.:
221-409-2
E No.:
E-142
Tests
Total dye content, percent by mass on dry basis at 105 ± 1°C for 2 hrs.)
EEC (Limit):
Min.
80
Water insoluble matter, percent by mass.
Max.
0.20
Combined ether extract, percent by mass.
Max.
0.20
Unsulfonated Primary aromatic amines, percent by mass (calculated as aniline).
Min.
0.01
Subsidiary dyes, percent by mass.
Max.
1
Dye Intermediates, percent by mass
4,4_-bis(dimethylamino)-benzhydryl alcohol
4,4_-bis(dimethylamino)-benzophenone
3-hydroxynaphthalene-2,7-disulfonic acid
Max.
0.10
0.10
0.20
Leuco base, percent by mass
Max.
5
Total Heavy metals as Lead(mg/Kg)
Max.
40
Arsenic (mg/kg.)
Max.
3
Lead (mg/kg.)
Max.
2
Mercury (mg/kg.)
Max.
1
Cadmium (mg/kg.)
Max.
1
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