Regulatory data is for reference only. Always verify with the official regulator before making formulation decisions. Last refreshed: 7/12/2026.
Ingredients/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
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 productsCAS 13515-40-7
EU CosIng Annex II — prohibited
Regulatory status
| Source | Status | Annex / Details | Limit / Conditions | Last updated |
|---|---|---|---|---|
| EU CosIng | prohibited | Annex II | — |
What this means
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 has regulatory signals in EU CosIng. Review the source links above for the official conditions and latest updates.
Common questions
- Is 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 restricted in EU cosmetics?
- 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 EU cosmetics according to EU CosIng Annex II.
- What is the CAS number for 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?
- The CAS number for 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 13515-40-7.
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