Green S is a green synthetic coal tar triarylmethane dye with the molecular formula C27H25N2O7S2Na. As a food dye, it has E number E142. Food Dye includes mostly sodium N-[4-(dimethylamino) phenyl (2-hydroxy-3,6-disulfo-1-naphthalenyl) methylene]-2,5-cyclohexadien-1-ylidene-N methylmethanaminium with auxiliary coloring matter in mixture with sodium chloride/sodium sulfate as principal uncolored compound. It can be used in mint sauce, desserts, gravy granules, sweets, ice creams, and tinned peas.

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Green S Food Color Specification

Product Name: Green S Food Color
Color Shade:
Color Index No. : 44090
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.
CAS No: 3087-16-9
Class: Triaryl Methane
Total Dye Content % Min. : 85
Loss on Drying at 135°C & Sodium Chloride & Sulphates % Max. : 13
Water Insoluble Matter % Max. : 0.2
Ether Extracts % Max. : 0.2
Subsidiary Dye % Max. : 3.0
Dyes Intermediates % Max. : 1.3 (5% Leuco)
Unsulphonated Primary Aromatic Amines % Max. : 0.01
Lead (AS "Pb") PPM (Max.) : 10.00
Arsenic (AS "Pb") PPM (Max.) : 3.00
Mercury (AS "Pb") PPM (Max.) : 1.0
Chromium (AS "Pb") PPM (Max.) : 50.0
Heavy Metal PPM Max. : 40.00

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Solubility of Green S Food Color at room temperature

Water (gms./ltr.) : 200.00
Glycerine (gms./ltr.) : 190.00
PropyleneGlycon (gms./ltr.) : 200.00
Ethanol (95%) (gms./ltr.) : 15

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Stability to Acids	Good
Stability to Neutral	Better
Stability to Alkalines	Best
Stability to Baking 205°C (400°F)	Best
Stability to Light	Best
Stability to Heat	Best

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Green S Synthetic food

Green S Food Color Specification

Solubility of Green S Food Color at room temperature