Crotonic acid dosage

Crotonic acid is an unsaturated carboxylic acid (C₄H₆O₂) primarily used as an intermediate in the synthesis of polymers, thermoplastic resins, adhesives, and industrial coatings. Although it plays an essential role in many chemical formulations, its residual presence in finished products must be controlled due to its irritant potential and toxicity at high doses.

Crotonic acid measurement is therefore a key step in the quality control of technical materials, particularly in the fields of specialty chemicals, plastics, inks, and coating products. It ensures that residual levels remain in compliance with regulatory requirements and do not pose any risk to human health or the environment.

Analysis methods

The analysis of crotonic acid is based on robust and sensitive techniques, adapted to complex matrices:

• GC-FID (Gas Chromatography with Flame Ionization Detection): reference method for organic volatile compounds, particularly effective for solid or viscous matrices.
• HPLC (High Performance Liquid Chromatography): alternative method suitable for aqueous or low volatility media, with the possibility of UV or MS detection.
• GC-MS (Gas Chromatography-Mass Spectrometry): Recommended for confirmatory analyses or detection at very low concentrations.

YesWeLab's partner laboratories apply methods validated according to international standards (ISO, ASTM, etc.) in order to guarantee the reproducibility and reliability of the results.

Analyzed matrices

The matrices likely to contain traces of crotonic acid are varied:

• Synthetic polymers and resins
• Industrial adhesives and glues
• Paints, inks and coatings
• Technical additives or formulation agents

The dosage is particularly recommended in the context of:

• Chemical batch release
• The REACH dossier for regulated substances
• Compliance with industrial specifications
• Migration or cross-contamination studies in packaging

Additional analyses for polymer materials

For a comprehensive assessment of materials containing crotonic acid, it is often relevant to combine this analysis with other targeted assays. YesWeLab offers several highly requested complementary analyses in its catalog:

• Styrene residue analysis – Essential for polystyrene materials and ABS copolymers.
• Bisphenol A (BPA) determination – Researched in food or heat-sensitive plastics, with particular attention to regulatory requirements.
• Phthalate analysis (DBP, DEHP, DINP, etc.) – For flexible or plasticized materials, according to REACH and RoHS regulations.

These analyses provide a complete purity profile of the material, identifying potentially hazardous residues and validating the conformity of the industrial process. YesWeLab also assists you in defining a tailor-made analytical strategy, adapted to your regulatory, environmental, or technical performance challenges.

Entrust your samples to YesWeLab

Since 2020, YesWeLab has been supporting manufacturers in managing their analyses, collaborating with a network of more than 200 certified partner laboratories (ISO 17025, COFRAC, etc.). Our digital platform facilitates the centralization of requests, sample tracking and access to results, while guaranteeing you competitive deadlines and reliable services.

Do you have a specific need or regulatory requirement? Contact our scientific team to be directed to the laboratory best suited to your requirements. We are committed to providing you with a clear, fast, and compliant analytical solution.