Toxno Substance Profile
Evidence-based data. We have more than 25,000 profiles on Toxno.
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Substance Name

Fast green FCF
Identification Number: CASRN | 2353-45-9

  Substance Attributes


  • Carcinogenic Properties

    Accumulating evidence points to cancer potential. Exercise caution with this substance, explore your exposure routes and consider complete avoidance. See further details under Toxins.

These attributes are ONLY based on peer-reviewed evidence. See link to Data Sources below. Everyone benefits from knowing this stuff. Please Share.



  • CATEGORIES: Food Additives with E Numbers | Colours | Household Toxin | Food Toxin | Synthetic Toxin | EAFUS (Everything Added to Food in the United States) | Inert Pesticide Ingredient USA - Food Use Permitted
  • SUBSTANCE LINEAGE: Organic Compounds | Benzenoids | Benzene and Substituted Derivatives | Phenylpropenes | Phenylpropenes
  • SYNONYMS: Aizen Food Green No. 3 | C.I. 42053 | C.I. Food green 3 | C.I. Food Green 3 | disodium salt | FD & C green no. 3 | FD and C Green No. 3 | FD&C Green No. 3 | Food Green 3 | Food Green No. 3 | N-Ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl](4-hydroxy-2-sulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-3-sulfobenzenemethanaminium hydroxide inner salt | 9CI | Solid green FCF | Zelen potravinarska 3 | Zelen stala FCF
  • DESCRIPTION: E Number: E143 | Food Additives with E Numbers used in Australia, NZ, UK and the EU. Over 400 in total. | Substance has been approved in: Australia and NZ | | Can cause adverse reactions - best to avoid (Food Intolerance Network) | Colours | FDA permitted food colourant used in beverages, desserts, candies, baking goods, dairy products and maraschino cherries Fast Green FCF, also called Food green 3, FD&C Green No. 3, Green 1724, Solid Green FCF, and C.I. 42053, is a sea green triarylmethane food dye. Its E number is E143.
  • COMMENTS:
  • toxin chemical structure pubchem
  • FORMULA: C37H36N2O10S3
  • DATA SOURCES: DATA SOURCES: ARTICLE 4 | T3DB | PubChem | IARC | FSANZ and FSA | EAFUS | EPA USA - Pesticide Inerts
  • LAST UPDATE: 28/04/2018

  Health Associations

Mostly focused on Health Implications of Long Term Exposure to this substance

  • SYMPTOMS:
  • POSSIBLE HEALTH CONSEQUENCES:
  • ACTION OF TOXIN:
  • TOXIN SITES OF ACTION IN CELL: "Cytoplasm", "Extracellular", "Membrane"
  • Additional Exposure Routes:

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  Exposure Routes

These are the Exposure Routes we have so far for this substance. There are almost certainly more. We update this section regularly. The number of chemicals with 2 or more nastiness attributes in an exposure route is shown in orange. They grey badge shows the total amount of chemicals within the exposure route.


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