Green S Specifications

Product Name Green S
Colour Shade
Synonyms Food Green 4, Lissamine Green B
Chemical Name Sodium 5-[4-dimethylamino-a-(4-dimethyliminocyclohexa-2,5-dienylidene)benzyl]- 6- hydroxy- 7- sulfonato - naphthalene- 2- sulfonate
Moleclar Formula C27H25N2NaO7S2
C.I. No 44090
C.I. Name Acid Green 50
EU/FDA Status Approved in EU, Australia and New Zealand except Norway
CAS No. 3087-16-9
EINECS No. 221-409-2
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
3-hydroxynaphthalene-2,7-disulfonic acid
Max. 0.10
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

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