Trimethylbenzophenone

INCI: TRIMETHYLBENZOPHENONE

CAS Number
Multiple isomers exist (e.g., 4,4'-bis variants); most common cosmetic-relevant: check specific substitution pattern
Function
UV absorber / UV filter; fragrance modifier
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not among FDA-approved OTC sunscreen active ingredients

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
high
Sensitization
moderate

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Benzophenone class under increased scrutiny for endocrine disruption; Benzophenone-3 recently restricted in EU ; photoallergy potential; confirm exact isomer before use

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Concern Level: Moderate

Regulatory Flags

fragrance-component

Frequently Asked Questions

Is Trimethylbenzophenone safe in cosmetics?

Benzophenone class under increased scrutiny for endocrine disruption; Benzophenone-3 recently restricted in EU ; photoallergy potential; confirm exact isomer before use The EU classifies Trimethylbenzophenone as "restricted". Safety rating: MODERATE.

Is Trimethylbenzophenone allowed in the EU?

Trimethylbenzophenone EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Trimethylbenzophenone do in cosmetics?

Trimethylbenzophenone functions as: UV absorber / UV filter; fragrance modifier. It is classified as a cosmetic ingredient in our database. CAS number: Multiple isomers exist (e.g., 4,4'-bis variants); most common cosmetic-relevant: check specific substitution pattern.

What is the Margin of Safety for Trimethylbenzophenone?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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