BHA
Tert-butyl-4-methoxyphenol
BHA is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.
Regulatory evidence by market
No rule for this ingredient has been imported for any of the 13 markets tracked here.
That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.
Chemical identity and properties

Butylated Hydroxyanisole
3-tert-butyl-4-hydroxyanisole is an aromatic ether that is 4-methoxyphenol in which one of the hydrogens ortho- to the phenolic hydroxy group is replaced by a tert-butyl group. It has a role as an antioxidant and a human xenobiotic metabolite. It is a member of phenols and an aromatic ether. — ChEBI
- IUPAC name
- 2-tert-butyl-4-methoxyphenol
- Molecular formula
- C11H16O2
- Molecular weight
- 180.24 g/mol
- Exact mass
- 180.115029749 Da
- XLogP3
- 3.2
- Topological polar surface area
- 29.5 Ų
- Hydrogen-bond donors
- 1
- Hydrogen-bond acceptors
- 2
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
16 more reported names
External database identifiers
- ChEBI:CHEBI:76358
- ChEMBL:CHEMBL192451
- EPA DTXSID:DTXSID7040788
- PubMed:40228673
- PubMed:23063794
- PubMed:22919511
- PubMed:22289578
- PubMed:22067529
- PubMed:22028932
- PubMed:21833168
- PubMed:21480807
- PubMed:20938768
- PubMed:20738149
- PubMed:20335966
- PubMed:20107899
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Inventory details for BHA
INCI name
BHA
INN name
butylated hydroxyanisole
Description
Tert-butyl-4-methoxyphenol
Record provenance
- Inventory reference
- 32184
- Imported identity
- BHA
- Source update
- 15/10/2010
Annex records for BHA
Key data
- ANTIOXIDANT
- Inhibiting reactions promoted by oxygen, thus avoiding oxidation and rancidity.
- FRAGRANCE
- Imparting an odour or taste. Creating a perceivable pleasant smell and/or masking a bad smell.
Official EU ingredient-name evidence
The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.
Related inventory evidence
Ingredients with overlapping formulation functions
Additional official and scientific sources
11 external databases to check this identity in
Each link searches that source for this identity. What each source is, and its legal weight
How BHA appears in the CosIng inventory
The CosIng inventory lists BHA as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.
BHA is also tagged with 2 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.
Frequently asked questions
Source note for BHA
This page reproduces the CosIng inventory entry for BHA from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.
Use this inventory page to research BHA and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.
Tools & next steps
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