CLP/GHS applies to you if you manufacture or import chemical substances or mixtures. Hazardous substances or mixtures must have a label that includes the following elements;

General Rules

  • Name, address and telephone number of the supplier (s);
  • Nominal quantity of the substance or mixture in the package made available to the general public, unless this quantity is specified elsewhere on the package;
  • Product identifier (s)

If applicable (to a hazardous substance or mixture), the following items should also be included;

  • hazard pictograms
  • signal words
  • hazard statements
  • supplemental information


Hazardous substances or mixtures must have a label written in the official languages of the Member State(s) where the substance or mixture is placed on the market

Product Identifiers

The term used for identification of the substance or mixture must be the same as that used in the safety data sheet. Items such as an identification number, a name, an IUPAC name or a CAS number should be included. For mixtures, the trade name must be included along with the names of any substances in the mixture that contribute to a grave classification.

Hazard Pictograms

For each specific classification there is a pictogram, currently there are nine different pictograms. Normally only one pictogram is assigned to an individual hazard class or category, some hazard differentiations have to carry two pictograms.

Pictograms must be clearly visible, they shall appear as a diamond shape when the label is read horizontally and must have a black symbol on a white background with a red border. Each hazard pictogram shall cover at least one fifteenth of the minimum surface area of the label, with a minimum surface area of 1cm2.

Signal Words

For each specific classification, a signal word may apply as adopted by GHS. If applicable, the label must include it-this will either be ‘Danger’ or ‘warning’ but never both.

Hazard Statements

If the substance or mixture has a hazardous classification, there will be relevant hazard statements that must be included on the label. For example, if a substance or mixture had an acute oral toxicity category 4 classification, the hazard statement ‘’Harmful if swallowed’’ would appear.

Precautionary Statements

The label must include relevant precautionary statements. For labelling, the same rules apply for these as do for hazard statements-if such a classification is warranted. They are also similar to hazard statements in that they begin with a letter followed by three digits. These are more advisory than Hazard Statements, providing details on Personal Protective Equipment (PPE) to be worn.

Dimensions of the label elements

Label size is as a function of package size, as can be seen below.

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