Graphic of a CLP label with descriptor labels identifying the various sections

Guide to CLP Labelling

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A Guide to CLP Labelling

Since the introduction of the Classification, Labelling and Packaging (CLP) Regulation back in 2009 there have been a significant number of changes required for implementation by companies. These changes have been gradually enforced with the aid of two deadlines in 2010 and 2015. All hazardous products placed on the market today must be classified and labelled in accordance with the CLP Regulations. In accordance with the Globally Harmonised System (GHS), the CLP allows for the identification of hazardous chemicals and the communication of these hazards to users through labelling.


CLP Label Elements

The information provided on the label must correspond to safety data sheet (SDS) for that specific product. The following label elements must be present on the label before it is placed on the market:

  • Name, address and telephone number of the supplier(s).
  • Nominal quantity of the substance or mixture in the package (when made available to the general public only).
  • Product identifiers. If your product is a mixture this includes the trade name or designation of the mixture and the identification i.e. name or CAS No. of the substance in the product which had lead to your product being classified. If your product is a substance the name and the CAS/EC number of the product should be included on the product label.
  • Hazard pictograms. If your product is hazardous in accordance with the CLP Regulations, one or more of the pictograms may will be present on your product label.


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The hazard pictograms must appear as a diamond on the label and must have a black symbol on a white background with a red frame.

If you are required to have a large number of pictograms on your label, you can reduce the amount of pictograms displayed on your product label by taking into account precedence rules i.e. if your label carries the skull and crossbones the exclamation mark should not appear.  Further information can be found on the European Chemicals Agency website

  1. Signal word. This indicates the level of severity or degree of danger of the product.  The product label will either display the word “Warning” or “Danger”.
  2. Hazard statements. The hazard statements will describe the nature of the hazards of a hazardous substance or mixture and in some cases the degree of hazard.  The text in these statements is standardised and must correspond to CLP Annex III.
  3. Precautionary statements. The precautionary statements recommend the measures to be taken to minimise or prevent adverse effects.   The CLP Regulations recommend a maximum of six precautionary statements to be included on the product label.
  4. Supplemental information. This includes additional information that may be present in the product and will be useful for the customer e.g. EUH001 phrases.


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Some companies may sell their products in a number of different countries.  The CLP Regulations requires the label to be printed in the official language of the country where the product is placed on the market.  It can be a difficult task to print a number of different labels for your products and so the Regulations allow for the use of a multi-modal label e.g.  French, German and English if the product is sold in Germany, France and England.  It is important to note that each language must be grouped together on the label.


Size Requirements

In order to ensure that all information can be viewed easily on the label, the following size requirements apply:

Capacity of package Dimensions of the label Dimensions of the pictogram
≤3 litres If possible, at least 52 x 74 Not smaller than 10 x 10If possible, at least 16 x 16
>3 litres but ≤ 50 litres At least 74 x 105 At least 23 x 23
>50 litres but ≤500 litres At least 105 x 148 At least 32 x 32
>500 litres At least 148 x 210 At least 46 x 46


Due to the quantity of information required for inclusion on the label and the size of the packaging used, some companies find it hard to fit all the information on the label is a readable form. The CLP allows for the use of fold-out labels, tie-on tags or outer packaging.  These methods can only be used under strict conditions. The CLP Regulations should always be referenced before you use any of these methods.


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25. February 2019