Green S

Green S

Specification
Product NameGreen S
Colour ShadeAcid Green 50,Acid Dyes Manufacturer
SynonymsAcid Green 50
Chemical NameSodium N-(4-((dimethylamino)phenyl)(2-hydroxy-3,6-disulfo-1- Naphthalenyl)-methylene)2,5-cyclohexadien-1-ylidene)-N-methyl Methanaminium.
C.I. No44090
C.I. NameFood Green 4
FDA Status
CAS No.3087-16-9
EINECS No.221-409-2
E. NUMBERE-142
TestEEC (Limit)
Total dye content, percent by mass on dry basis at 105 ± 1°C for 2 hrs.)Min.80
Water insoluble matter, percent by massMax.0.20
Combined ether extract, percent by massMax.0.20
Unsulfonated Primary aromatic amines, percent by mass (calculated as aniline)Max.0.01
Subsidiary dyes, percent by massMax.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 massMax.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