GHS precautionary statements

Precautionary statements form part of the Globally Harmonized System of Classification and Labelling of Chemicals (GHS).^[1]{{GHS2021}} named reference: <ref name="GHS2021 annex-3"> They are intended to form a set of standardized phrases giving advice about the correct handling of chemical substances and mixtures, which can be translated into different languages.^[2]^[3] As such, they serve the same purpose as the well-known S-phrases, which they are intended to replace.

Precautionary statements are one of the key elements for the labelling of containers under the GHS, along with:^[4]

an identification of the product;
one or more hazard pictograms (where necessary)
a signal word – either Danger or Warning – where necessary
hazard statements, indicating the nature and degree of the risks posed by the product
the identity of the supplier (who might be a manufacturer or importer)

Each precautionary statement is designated a code, starting with the letter P and followed by three digits. Statements which correspond to related hazards are grouped together by code number, so the numbering is not consecutive. The code is used for reference purposes, for example to help with translations, but it is the actual phrase which should appear on labels and safety data sheets.^[5] Some precautionary phrases are combinations, indicated by a plus sign "+". In several cases, there is a choice of wording, for example "Avoid breathing dust/fume/gas/mist/vapours/spray": the supplier or regulatory agency should choose the appropriate wording for the product concerned.

^ "Globally Harmonized System of Classification and Labelling of Chemicals" (pdf). 2021. Annex 3: Codification of Statements and Pictograms (pp 268–385).
^ The United Nations has published the list of GHS precautionary statements in all UN official languages (Arabic, Chinese, English, French, Russian, Spanish): it can be found in Annex 3 of GHS Rev.2 for the corresponding language.
^ A list of translations into all the European Union official languages can be found in Annex IV to the CLP Regulation, on pages 210–324 of the official English-language version.
^ Part 1, section 1.4.10.5.2, GHS Rev.2
^ Part 1, section 1.4.10.5.2(c)(ii), GHS Rev.2

[GHS2021_annex-3-1] "Globally Harmonized System of Classification and Labelling of Chemicals" (pdf). 2021. Annex 3: Codification of Statements and Pictograms (pp 268–385).

[2] The United Nations has published the list of GHS precautionary statements in all UN official languages (Arabic, Chinese, English, French, Russian, Spanish): it can be found in Annex 3 of GHS Rev.2 for the corresponding language.

[3] A list of translations into all the European Union official languages can be found in Annex IV to the CLP Regulation, on pages 210–324 of the official English-language version.

[4] Part 1, section 1.4.10.5.2, GHS Rev.2

[5] Part 1, section 1.4.10.5.2(c)(ii), GHS Rev.2

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