Tris-BHT Mesitylene

Also known as: Phenol, 4,4',4''-[(2,4,6-trimethyl-1,3,5-benzenetriyl)tris(methylene)]tris[2,6-bis(1,1-dimethylethyl)-, 1,3,5-Tris(3,5-di-tert-butyl-4-hydroxybenzyl)mesitylene, BRN 2034522, EINECS 216-971-0, Methylene bis ethyl butyl phenol (+5 more)

INCI: TRIS-BHT MESITYLENE

Tris-BHT Mesitylene (CAS 1709-70-2) is a cosmetic cosmetic ingredient functioning as Antioxidant (protects formulation ingredients from oxidative degradation). EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.

View industrial chemical safety profile for CAS 1709-70-2 →

Auto-generated CPSR Part A draft with source citations
Function
Antioxidant (protects formulation ingredients from oxidative degradation)
Safety Rating
GOOD

Chemistry & Identifiers

Formula
C54H78O3
MW
775.2 g/mol
EC Number
216-971-0
PubChem CID
74370
IUPAC Name
4-[[3,5-bis[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-2,4,6-trimethylphenyl]methyl]-2,6-ditert-butylphenol
InChIKey
VSAWBBYYMBQKIK-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted; no specific restriction

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Tris-BHT Mesitylene.

Calculate MoS for your specific formulation with the MoS Calculator.

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
1,000 - 10,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

PubChem Annotations

Safety and regulatory annotations from PubChem (NCBI) aggregated sources.

Safety (1)
Endocrine Disruptors
Potential endocrine disrupting compound
Source: NORMAN Suspect List Exchange

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Antioxidant Stabilizing agent
Regulatory List Membership (1)
FDA Indirect Food Contact Additives

Expert Verdict

Expert safety assessment and concern-level summary for Tris-BHT Mesitylene.

Known Synonyms

Phenol, 4,4',4''-[(2,4,6-trimethyl-1,3,5-benzenetriyl)tris(methylene)]tris[2,6-bis(1,1-dimethylethyl)- 1,3,5-Tris(3,5-di-tert-butyl-4-hydroxybenzyl)mesitylene BRN 2034522 EINECS 216-971-0 Methylene bis ethyl butyl phenol Santoquin emulsion Santoquin mixture 6 2,4,6-Tri(3,5-di-tert-butyl-4-hydroxybenzyl)mesitylene UNII-51DM34B894 Phenol, 4,4',4''-((2,4,6-trimethyl-1,3,5-benzenetriyl)tris(methylene))tris(2,6-bis(1,1-dimethylethyl)-

Chemical Function

Antioxidant Stabilizing agent

Regulatory Lists

Indirect additives food contact (10/2018) Europe; plastic_additive drinking_water; Europe; manufacturing; plastic_additive

Australian Status

AICIS status: listed

Frequently Asked Questions

Is Tris-BHT Mesitylene safe in cosmetics?

Tris-BHT Mesitylene has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.

Is Tris-BHT Mesitylene allowed in the EU?

Tris-BHT Mesitylene EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Tris-BHT Mesitylene do in cosmetics?

Tris-BHT Mesitylene functions as: Antioxidant (protects formulation ingredients from oxidative degradation). It is classified as a cosmetic ingredient in our database. CAS number: 1709-70-2.

Is Tris-BHT Mesitylene used outside cosmetics?

Tris-BHT Mesitylene also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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