Fragrance avoidance
No fragrance-linked caution surfaced in the current profile.
This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.
CAS 13515-40-7 · 100/100 · High conf.
12225-12-6 · 477904-37-3
Concern score
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
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
Used in cosmetics as a hair dye.
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.
Restrictions first, then routine listings from published regulatory sources.
EUEC
Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products.
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.
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.
CosIng
regulatory · updated 2026-09-23
EU CosIng Cosmetics Regulation Annexes
regulatory · updated 2010-10-21
EPA Chemical and Products Database
exposure · updated January 7, 2008
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
FDA GSRS UNII
registry · updated 2026-02-26
openFDA Substance
registry · updated 2026-05-24
PubChem Live Enrichment
chemistry · updated 2026-05-17
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Fragrance avoidance
No fragrance-linked caution surfaced in the current profile.
This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.
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
Typical roles