Green S

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
Test EEC (Limit)
Total dye content, percent by mass on dry basis at 105 ± 1°C for 2 hrs.) Min. 80
Loss on drying at 135°C and sodium chloride and sulphate, percent by mass Max. 20
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) Max. 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
Heavy metals Lead, Copper, Chromium, Arsenic, Mercury, Zinc, Antimony, Nickel, Barium,(PPM) Max. 40
Arsenic (mg/kg.) Max. 3
Lead (mg/kg.) Max. 10
Mercury (mg/kg.) Max. 1
Cadmium (mg/kg.) Max. 1