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FD&C green no. 3

CAS 2353-45-9 · 100/100 · High conf.

Also registered as 2 other CAS numbers

1342-22-9 · 13083-10-8

Concern score

100/100Critical concern based on regulatory listings.
High confidence

FD&C green no. 3 in plain language

What it is

On cosmetic ingredient lists it appears as “CI 42053”.

Also known as CI 42053 · CI 42053/ fast green fcf · Fast green fcf · F d & c green #3 · Green 3 · MIDORI3

Show all 21 names

C.I. 42053 · C.I. food green 3 · CI (1975) no. 42053 · E-143 · F d & c green no. 3 · Fdc green no. 3 · Food green 3 · Green 1724 · Ins NO.143 · INS-143 · C.I. Food Green 3, disodium salt · C.I. food green 003 · FD & C green No. 3 (C.I. Food Green 3, disodium salt) · Fd&c-green no. 3 · fast green

What it does

Used in cosmetics as a colourant and a hair dye. CI 42053 is classed chemically as a triphenylmethane colour.

  • Colorant
  • Hair dyeing
  • Colourant
  • Fragrance
Is it a concern?
Critical concern: no hazard classifications on record. It is banned in EU cosmetics.

Why it's flagged

Benzenemethanaminium, N-ethyl-N-(4-((4-(ethyl((3-sulfophenyl)methyl)amino)phenyl)(4-hydroxy-2-sulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-3-sulfo-, hydroxide, inner salt, disodium salt (Fast Green FCF; CI 42053) when used as a substance in hair dye products is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.

RestrictedEU EC — banned

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

Restrictions first, then routine listings from published regulatory sources.

  • EU Annex II — prohibited
  • EU Annex IV — permitted colorant
  • EU permitted colorant
  • EU prohibited in cosmetics
  • Inactive ingredient in US drugs

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Industrial

  • EUEC

    Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products.

    banned
    View source →
  • USFDAinactive ingredient database15 entries — 4 administration routes
    • Route: DENTAL; Dosage form: GEL; Potency: NASource →
    • Route: ORAL; Dosage form: CAPSULE; Potency: 40 mgSource →
    • Route: ORAL; Dosage form: CAPSULE, COATED PELLETS; Potency: NASource →
    • Route: ORAL; Dosage form: CAPSULE, DELAYED RELEASE; Maximum daily exposure: 5 mgSource →
    • Route: ORAL; Dosage form: CAPSULE, EXTENDED RELEASE; Potency: 0.16 mgSource →
    • Route: ORAL; Dosage form: CAPSULE, LIQUID FILLED; Potency: 0.03 mgSource →
    • Route: ORAL; Dosage form: ELIXIR; Potency: NASource →
    • Route: ORAL; Dosage form: SOLUTION; Potency: 0.25 mg/5mlSource →
    • Route: ORAL; Dosage form: SYRUP; Potency: 3.75 mg/5mlSource →
    • Route: ORAL; Dosage form: TABLET; Maximum daily exposure: 240 mgSource →
    • Route: ORAL; Dosage form: TABLET, COATED; Potency: 0.01 mgSource →
    • Route: ORAL; Dosage form: TABLET, DELAYED RELEASE; Potency: NASource →
    • Route: RECTAL; Dosage form: SUPPOSITORY; Potency: 0.02 mgSource →
    • Route: TOPICAL; Dosage form: SHAMPOO; Potency: 0.09 %w/wSource →
    • Route: TOPICAL; Dosage form: SOLUTION; Potency: NASource →
  • EUCosIngActive4 entries
    • Cosmetics Regulation annex IV / ref 61.Source →
    • Cosmetics Regulation annex II / ref 1357.Source →
    • CI 42053 is classed chemically as a triphenylmethane colour. It conforms to the formula: Restriction: IV/61 (CI 42053) II/1357 (Fast Green FCF: when used as a substance in hair dye products)Source →
    • Fast Green FCF is classed chemically as a triphenylmethane colour. It conforms to the formula: Restriction: II/1357 (When used as a substance in hair dye products)Source →
  • EUECallowed_listedAnnex IV of EU Cosmetics Regulation (EC) 1223/2009: colorants allowed in cosmetic products.
    • Annex IV of EU Cosmetics Regulation (EC) 1223/2009: colorants allowed in cosmetic products.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 67 composition records across product categories including Laboratory supplies, Medical/dental, Personal care. EPA CPDat classifies this chemical for functional uses including Dye, Fragrance.
    • EPA CPDat observed this chemical in 67 composition records across product categories including Laboratory supplies, Medical/dental, Personal care. EPA CPDat classifies this chemical for functional uses including Dye, Fragrance.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as mixture.
    • openFDA substance registry classifies this ingredient as mixture.Source →

Expert safety opinions

No expert opinion on file for FD&C green no. 3. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for FD&C green no. 3 yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

7 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EU CosIng Cosmetics Regulation Annexes

    regulatory · updated 2020-08-13

    Open →

  • EPA Chemical and Products Database

    exposure · updated february 16, 2017

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

  • FDA Inactive Ingredient Database

    regulatory · updated 2026-01-09

    Open →

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →

  • openFDA Substance

    registry · updated 2026-05-24

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

Fragrance avoidance

Not a strong fit for fragrance avoidance because it carries Fragrance.

Avoid

The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.

Where it has been recorded

How often EPA CPDat has listed FD&C green no. 3 in a product composition. These are source records, not Greenveil catalog products.

Source records

67

Named organisations

6

Laboratory suppliesMedical/dentalPersonal care

Typical roles

ColorantHair dyeingColourantFragrance
See products using FD&C green no. 3 →

Catalog

Found in these products

Cosmetic and personal-care products that list FD&C green no. 3 are shown first. Their ingredient lists include FD&C green no. 3; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 100 →Find products without it →