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Pigment yellow 73

CAS 13515-40-7 · 100/100 · High conf.

Also registered as 2 other CAS numbers

12225-12-6 · 477904-37-3

Pigment yellow 73 chemical structure

Concern score

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

Pigment yellow 73 in plain language

What it is

Also known as C.I. Pigment Yellow 73 · (±)-pigment yellow 73 · CI 11738 · O-acetoacetanisidide, 2-((4-CHLORO-2-NITROPHENYL)AZO)- · (+/-)-pigment yellow 73 · Arylide Yellow GX

Show all 17 names

C.I. 11738 · C17H15ClN4O5 · Ec 236-852-7 · Hancock yellow 73 · Hansa Brilliant Yellow 4GX · Monoazo · Monolite Fast Yellow EYA · UNII-BXL1J43EKI · hansa yellow · hansa yellow. vap dens:hvr/air. · organic yellow pigment

What it does

Used in cosmetics as a hair dye.

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

Why it's flagged

2-[(4-Chloro-2-nitrophenyl)azo)-N-(2-methoxyphenyl)-3-oxobutanamide (Pigment Yellow 73) and its salts, 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 prohibited in cosmetics

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUEC

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

    banned
    View source →
  • EUCosIngActive2 entries
  • USEPAcommercial use observedEPA CPDat observed this chemical in 17 composition records across product categories including Home maintenance, Raw materials. EPA CPDat classifies this chemical for functional uses including Dye, Pigment.
    • EPA CPDat observed this chemical in 17 composition records across product categories including Home maintenance, Raw materials. EPA CPDat classifies this chemical for functional uses including Dye, Pigment.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Pigment yellow 73. 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 Pigment yellow 73 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 2010-10-21

    Open →
  • EPA Chemical and Products Database

    exposure · updated January 7, 2008

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

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

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

How often EPA CPDat has listed Pigment yellow 73 in a product composition. These are source records, not Greenveil catalog products.

Source records

17

Named organisations

3

Home maintenanceRaw materials

Typical roles

Hair dyeingColourant
See products using Pigment yellow 73 →