Benzophenone dosage

What is benzophenone?

Benzophenone (CAS 119-61-9) is an aromatic organic compound used in many industrial formulations for its properties as a UV filter, fixative, photostabilizer, or chemical intermediate. It is commonly found in:

• Printing inks, particularly for food packaging
• Plastics and synthetic materials, to improve their UV resistance
• Cosmetic products (perfumes, nail polish, hair care)
• Various industrial formulations, such as adhesives, varnishes or coatings

Its use is strictly regulated in several sectors due to its potential to disrupt the endocrine system, its photoactive properties and its ability to migrate into finished products, particularly food or cosmetics.

Why measure benzophenone levels?

Benzophenone dosage is crucial for:

• Monitor residual levels in finished products or materials
• Check compliance with regulatory requirements (e.g., Regulation (EU) No 10/2011 on materials in contact with food, Cosmetics Regulation No 1223/2009)
• Controlling potential migration to food or skin
• Assessing the safety of industrial formulations
• Meeting the expectations of consumers and distributors in terms of transparency and traceability

In food packaging, benzophenone is subject to specific migration limits (SMLs). Its detection at trace levels is therefore essential to guarantee the safety of the final product.

What matrices can be analyzed?

Benzophenone can be analyzed in a wide variety of media and samples:

• Inks and varnishes for printing on packaging
• Plastic films and multilayer materials
• Liquid or semi-solid cosmetics (perfumes, creams, nail polish)
• Finished products (resins, coatings, adhesives)
• Extracts from food packaging simulating contact conditions
• Rinse water or industrial effluents within the framework of environmental control

Analytical methods used

The analysis of benzophenone relies primarily on high-sensitivity chromatography techniques:

• GC-MS (gas chromatography coupled with mass spectrometry): the reference method for detecting trace amounts of benzophenone in complex matrices
• GC-FID (flame ionization detector): for simpler quantitative analysis on purified samples
• Solvent extraction or solid-phase microextraction (SPME): depending on the nature of the matrix to be analyzed
• Standardized methods or internal protocols validated according to ISO 17025 requirements

These methods make it possible to achieve very low quantification limits, necessary to verify compliance with strict regulatory specifications.

YesWeLab: your partner for benzophenone analysis

At YesWeLab , we collaborate with a network of highly specialized laboratories, experts in analyzing substances to monitor in packaging, cosmetics, and industrial formulations. All our partners are ISO 17025 certified, and several are COFRAC accredited, guaranteeing reliable, standardized, and actionable results.

Our technical teams will assist you with:

• Define the most relevant analysis method according to your matrix
• Comply with regulatory thresholds or customer requirements
• Obtain clear reports that comply with industry standards
• Conduct your analyses in complete confidentiality via our secure digital platform

Do you need a precise dosage of benzophenone in your products?

YesWeLab supports you in evaluating your materials, formulations, and packaging to ensure their safety and compliance.
Contact our team today for a customized quote or to discuss your specific needs.