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general/triarylmethane-dyes

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Green S

Chemical compound and dye

Summary

Chemical compound and dye

| Food green S | FD&C green 4 | acid green 50 | lissamine green B | wool green S | C.I. 44090 | E142

Green S is a green synthetic coal tar triarylmethane dye with the molecular formula C27H25N2O7S2Na.

As a food dye, it has E number E142. It can be used in mint sauce, desserts, gravy granules, sweets, ice creams, and tinned peas. Green S is prohibited as a food additive in Canada, United States, Japan, and Norway. It is approved for use as a food additive in the EU and Australia and New Zealand.

Green S is a vital dye, meaning it can be used to stain living cells. It is used in ophthalmology, along with fluorescein and rose bengal, to diagnose various disorders of the eye's surface, dry eyes for example.

References

References

  1. "Safety Data Sheet for Green S". [[Sigma-Aldrich]].
  2. {{Sigma-Aldrich
  3. "Green S".
  4. "Current EU approved additives and their E Numbers".
  5. (8 September 2011). "Standard 1.2.4 - Labelling of ingredients".
Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

triarylmethane-dyes food-colorings vital-stains 2-naphthols naphthalenesulfonates anilines organic-sodium-salts e-number-additives acid-dyes
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