Is Trimethylbenzene safe in cosmetics?
Trimethylbenzene has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Trimethylbenzene
INCI: TRIMETHYLBENZENE
Trimethylbenzene (CAS 25551-13-7 (mixed isomers); 95-63-6 (1,2,4-TMB); 108-67-8 (1,3,5-TMB / mesitylene)) is a cosmetic cosmetic ingredient functioning as Solvent; denaturant; fragrance ingredient. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
Auto-generated CPSR Part A draft with source citations
CAS Number
25551-13-7 (mixed isomers); 95-63-6 (1,2,4-TMB); 108-67-8 (1,3,5-TMB / mesitylene)
View industrial chemical safety profile →
Function
Solvent; denaturant; fragrance ingredient
Safety Rating
MODERATE
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Not approved as a direct cosmetic ingredient; may appear as residual solvent
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Trimethylbenzene.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Trimethylbenzene.
Regulatory Flags
fragrance-component
Frequently Asked Questions
Is Trimethylbenzene allowed in the EU?
Trimethylbenzene EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Trimethylbenzene do in cosmetics?
Trimethylbenzene functions as: Solvent; denaturant; fragrance ingredient. It is classified as a cosmetic ingredient in our database. CAS number: 25551-13-7 (mixed isomers); 95-63-6 (1,2,4-TMB); 108-67-8 (1,3,5-TMB / mesitylene).
Compliance Tools
Check Trimethylbenzene compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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