Packaging for Chemical Products: How to Ensure Compliance with REACH and CLP When Exporting to the EU

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Exporting chemical products in packaging to the European Union requires compliance with strict legislative requirements, particularly the REACH and CLP regulations. Incorrect labeling of packaging, missing Safety Data Sheets (SDS), or incomplete hazard information can lead to shipments being held at customs, penalties, or even a sales ban. For manufacturers and distributors, it is crucial to understand not only the obligations related to the content but also to the packaging material itself. What steps should be taken to ensure your products meet all requirements and safely pass inspections?

REACH and CLP: The fundamental legislative framework for chemical product packaging

When exporting chemical products to the European Union, it is crucial to comply with the REACH and CLP regulations, which set requirements for the registration, evaluation, authorisation, and restriction of chemical substances, as well as their classification, labelling, and packaging. REACH focuses on the chemical substances themselves and their safe use, while CLP (Classification, Labelling and Packaging) governs how products must be labelled and packaged to protect human health and the environment. Both regulations apply to all chemical substances and mixtures placed on the EU market, regardless of their country of origin.

For manufacturers and distributors of chemical raw materials, it is essential to verify that all components of their products are properly registered in the REACH database. This also includes substances contained in packaging if they can migrate into the product or the environment. CLP then requires that packaging includes standardised hazard pictograms, signal words ("Danger" or "Warning"), standard hazard statements (H-phrases), and safety instructions (P-phrases). This information must be provided in the official language of the country to which the product is exported.

Packaging Material Requirements: Safety and Compatibility with Contents

Selecting the appropriate packaging material for chemical products is not just a matter of practicality but primarily of safety and legislative compliance. The packaging material must be chemically compatible with the contents to prevent undesirable reactions, degradation, or leaks. For example, aggressive acids or organic solvents require packaging made from materials with high chemical resistance, such as special plastics (e.g., HDPE, fluorinated polymers) or stainless steel. Conversely, less reactive substances may be adequately contained in standard plastic or metal packaging.

Under REACH regulations, packaging must be designed to minimize the risk of leakage or contamination during transport, storage, and handling. This includes the use of sealing elements, durable closures, and, where necessary, a secondary packaging system (e.g., absorbent materials inside the packaging). It is also important to consider the mechanical resistance of the packaging, especially if the product is intended for repeated use. All materials must meet requirements for substance migration into the contents, which is verified through standard testing methods.

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Safety Data Sheets (SDS) and their role in the export of chemical products

A Safety Data Sheet (SDS) is a key document that must accompany every chemical product placed on the EU market. The SDS provides detailed information on the properties of the substance or mixture, its hazardous characteristics, measures for safe handling, first aid, disposal, and other relevant data. For exporters, it is crucial that the SDS is prepared in accordance with REACH and CLP regulations and is available in the official language of the target country.

The SDS must contain 16 mandatory sections, including identification of the substance/mixture and supplier, hazard information, composition, first aid measures, fire-fighting measures, accidental release measures, handling and storage instructions, physical and chemical properties, stability and reactivity, toxicological information, and ecological information. For manufacturers and distributors, it is important to regularly update the SDS, especially if there are changes in the product composition or legislative requirements. Incorrectly or incompletely filled SDS can lead to legal complications and delays in customs clearance.

Practical steps to ensure packaging compliance with EU legislation

To ensure full compliance with EU legislation, manufacturers and exporters of chemical products should proceed systematically. The first step is to analyse the product composition and classify it according to CLP. Based on this classification, the requirements for packaging labelling are determined, including hazard pictograms, signal words, and standard phrases. It is also necessary to verify whether all product components are registered under REACH and whether the packaging material meets the requirements for chemical compatibility and substance migration.

The next step is preparing or updating the Safety Data Sheet (SDS) and ensuring its translation into the official language of the target country. It is recommended to collaborate with experts in chemical legislation who can assist with interpreting the requirements and ensuring compliance. Before the actual export, it is advisable to conduct an internal audit to verify that packaging, labelling, and documentation meet all legislative requirements. This approach minimises the risk of complications during customs clearance and ensures safety for end users.

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Labelling Packaging According to CLP Regulation: Key Elements and Common Mistakes

The CLP Regulation (Classification, Labelling and Packaging) sets out obligations for labelling chemical substances and mixtures on packaging intended for the EU market. The basic requirement is the visible and durable placement of hazard warning symbols (GHS pictograms), signal words ("Danger" or "Warning"), standardised hazard statements (H-phrases) and safe handling instructions (P-phrases). This information must be provided in the official language of the Member State to which the product is supplied, which may require multilingual labels for exporters to multiple countries. The minimum size of pictograms is 1 cm² for packages up to 3 litres and 2 cm² for larger containers, and they must be placed in the same location as the textual information.

A common mistake is insufficient legibility of the labelling, such as using too small a font or inappropriate colour contrast. Another issue is inconsistency between the classification of the substance in the SDS and on the label – both documents must be consistent. For mixtures, it is necessary to recalculate the concentration of individual components and verify whether their combination requires a stricter classification. Manufacturers should regularly update labelling in line with changes to the CLP Regulation, for example when a new substance is added to the SVHC (Substances of Very High Concern) list under REACH.

Testing packaging compatibility: Methods and documentation for demonstrating compliance

Before placing a chemical product on the market, it is necessary to verify whether the packaging material can withstand its chemical effects. Standard test methods are used to assess resistance to corrosion, permeability (penetration of substances through the packaging walls) and mechanical stress. For liquids, for example, leak tightness and resistance to internal pressure are tested, while for solids, resistance to abrasion or moisture is evaluated. Tests are carried out at various temperatures (usually from -20 °C to +50 °C) and for a minimum of 6 months to simulate real storage conditions.

Test results must be documented and retained for 10 years for potential inspections by regulatory authorities. Documentation should include a description of the tested materials (e.g., HDPE, glass, metal), the methods used, testing conditions (temperature, humidity, exposure time), and conclusions on compatibility. For packaging of hazardous substances, a risk assessment in accordance with Annex II of the REACH Regulation is additionally required, which includes an analysis of potential leakage or reaction with the contents. It is recommended to collaborate with accredited laboratories that will provide a certificate of conformity with applicable standards.

Logistics and Storage: How to Minimize Risks During Transport and Distribution

Proper logistics and storage are crucial for maintaining the integrity of packaging and the safety of chemical products during transport. Packaging must be designed to withstand mechanical stress, such as vibrations, impacts, or pressure changes that may occur during road, rail, or maritime transport. For hazardous substances, specific requirements apply under the ADR (road transport), RID (rail), or IMDG (maritime) agreements, which, among other things, set maximum quantities per transport unit or requirements for the separate storage of incompatible substances.

During storage, it is necessary to adhere to the temperature and humidity limits specified in the Safety Data Sheet (SDS). Some substances require cooling (e.g., below 15 °C), while others need a dry environment. Packaging should be stored on pallets or shelves to prevent direct contact with the ground and allow easy inspection of seal integrity. For hazardous substances, storage areas must be labeled with warning symbols and risk information. Regular training of employees in handling chemical substances and procedures for leaks or accidents is also recommended.

Need help with documentation and labeling?

GCG Group provides complete Safety Data Sheets (SDS) and technical documentation for every supplied raw material in compliance with REACH and CLP. Our experts will advise you on selecting suitable packaging materials and proper labeling to avoid complications during export. Contact us – or browse our catalog of over 1,300 products right away.