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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.
PIGMENT YELLOW 13
Critical concern
C.I. Pigment Yellow 1
Canonical ingredient
2-[(4-Methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide is listed in Annex IV of the EU Cosmetics Regulation (EC) 1223/2009 (colorants allowed in cosmetic products).
2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide] (Pigment Yellow 13; CI 21100) 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.
C.I. Pigment Yellow 1
Minor concern
Sources 5Synced Jan 2008
2-[(4-Methyl-2-nitrophenyl)azo]-3-oxo-N-phenylbutyramide is listed in Annex IV of the EU Cosmetics Regulation (EC) 1223/2009 (colorants allowed in cosmetic products).
C.I. Pigment Yellow 16
Minor concern
Sources 5Synced Jan 2008
N,N'-(3,3'-Dimethyl[1,1'-biphenyl]-4,4'-diyl)bis[2-[(2,4-dichlorophenyl)azo]-3-oxobutyramide] is listed in Annex IV of the EU Cosmetics Regulation (EC) 1223/2009 (colorants allowed in cosmetic products).
C.I. Pigment Yellow 12
Critical concern
Sources 5Synced May 2026
2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-N-phenylbutanamide] (Pigment Yellow 12) 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.
C.I. Pigment Yellow 17
Low concern
Sources 5Synced May 2026
EPA CPDat observed this chemical in 31 composition records across product categories including Personal care, Electronics/small appliances, Home maintenance.