Methyl Benzophenone

INCI: METHYL BENZOPHENONE

CAS Number
131-58-8 (2-methylbenzophenone, the isomer listed in CosIng)
Function
UV absorber / UV filter / light stabilizer
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Allowed - not on the FDA prohibited list; various benzophenone derivatives are permitted UV filters under 21 CFR 352 (OTC sunscreen monograph)

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Benzophenone-class concerns: endocrine disruption potential, photoallergy, environmental persistence; parent benzophenone classified CMR (carcinogenic) in EU. Absorbs UV radiation; structurally related to the now-prohibited benzophenone - carefully distinguish the methyl derivative from the parent compound

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Concern Level: High

Frequently Asked Questions

Is Methyl Benzophenone safe in cosmetics?

Benzophenone-class concerns: endocrine disruption potential, photoallergy, environmental persistence; parent benzophenone classified CMR (carcinogenic) in EU. Absorbs UV radiation; structurally related to the now-prohibited benzophenone - carefully distinguish the methyl derivative from the parent compound The EU classifies Methyl Benzophenone as "prohibited". Safety rating: MODERATE.

Is Methyl Benzophenone allowed in the EU?

Methyl Benzophenone EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Methyl Benzophenone do in cosmetics?

Methyl Benzophenone functions as: UV absorber / UV filter / light stabilizer. It is classified as a cosmetic ingredient in our database. CAS number: 131-58-8 (2-methylbenzophenone, the isomer listed in CosIng).

What is the Margin of Safety for Methyl Benzophenone?

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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