Is 4-tert-Butylphenol restricted in EU cosmetics?

4-tert-Butylphenol is prohibited in EU cosmetics according to EU CosIng Annex II.

Is 4-tert-Butylphenol on the ECHA SVHC candidate list?

4-tert-Butylphenol is listed on the ECHA SVHC candidate list since 2021-07-08.

The CAS number for 4-tert-Butylphenol is 98-54-4.

Regulatory data is for reference only. Always verify with the official regulator before making formulation decisions. Last refreshed: 7/12/2026.

Ingredients/4-tert-Butylphenol

EU CosIng Annex II — prohibitedECHA SVHC — candidate

Source	Status	Annex / Details	Limit / Conditions	Last updated
EU CosIng	prohibited	Annex II		—
ECHA SVHC	candidate	2021-07-08	Endocrine disruptor	7/8/2021

4-tert-Butylphenol has regulatory signals in EU CosIng and ECHA SVHC. Review the source links above for the official conditions and latest updates.

Is 4-tert-Butylphenol restricted in EU cosmetics?: 4-tert-Butylphenol is prohibited in EU cosmetics according to EU CosIng Annex II.
Is 4-tert-Butylphenol on the ECHA SVHC candidate list?: 4-tert-Butylphenol is listed on the ECHA SVHC candidate list since 2021-07-08.
What is the CAS number for 4-tert-Butylphenol?: The CAS number for 4-tert-Butylphenol is 98-54-4.