P283 · Precautionary statementWear fire resistant or flame-retardant clothing.

Precautionary · PreventionPhysical

P283 is the GHS precautionary statement “Wear fire resistant or flame-retardant clothing”. UN GHS Annex 3 assigns it to Oxidizing liquids (chapter 2.13), Category 1 and Oxidizing solids (chapter 2.14), Category 1. The English wording is the same as UN GHS Rev.11 in US OSHA, EU CLP and Canada. Canada’s official French text is “Porter des vêtements résistant au feu ou à retard de flamme” and Mexico’s Spanish text is “Llevar ropa resistente al fuego o retardante de las llamas”. In the UN GHS Rev.11 label matrix it is used with 1 hazard statement (UN only).

Maintained by Valenc. Data checked 2026-10-20.

Heading text: UN GHS Rev.11 Annex 3. Wording can differ by jurisdiction; see the table below.

Wording by jurisdiction

UN GHS Rev.11

Same as UN

GHS Rev.11 (2025), Annex 3

Wear fire resistant or flame-retardant clothing.

UN GHS Rev.11, Annex 3, Table A3.2.2, PDF p. 321

US OSHA HCS

Same as UN

HCS 2024 · primarily GHS Rev.7, some Rev.8

Wear fire resistant or flame retardant clothing.

29 CFR 1910.1200 App. C, matched by wording

EU CLP

Same as UN

EU_CLP_2025 · consolidated 1 Jul 2026

Wear fire resistant or flame retardant clothing.

EU CLP, Annex IV, Part 2

Canada (EN)

Same as UN

WHMIS_2022 · GHS Rev.7 (Rev.8 for chemicals under pressure)

Wear fire resistant or flame retardant clothing.

GHS Rev.7 Annex 3 Table A3.2

Canada (FR)

Adopted

WHMIS_2022 · SGH Rév.7, texte officiel

Porter des vêtements résistant au feu ou à retard de flamme.

GHS Rev.7 Annex 3 Table A3.2

Mexico (ES)

Adopted

NOM-018-STPS-2015 · GHS 5th revised edition

Llevar ropa resistente al fuego o retardante de las llamas

NOM-018-STPS-2015, DOF 9 October 2015, Apéndice D, Tabla D.1, PDF p. 35

Hazard classes and categories

Oxidizing liquids (chapter 2.13) · Category 1
Oxidizing solids (chapter 2.14) · Category 1

UN GHS Rev.11 Annex 3, sections 1 and 2

H statements it is used with in the UN GHS Rev.11 label matrix only

UN GHS Rev.11 only. EU CLP, US OSHA, Canada (GHS Rev.7) and Mexico assign their own P statements; check the regulation for your market.

H271

UN GHS Rev.11 Annex 3, section 3. Listed for at least one category that uses each H statement.

Change in UN GHS Rev.11

No change to the wording or the hazard classes in Annex 3 compared with Rev.10.

Sources

Each cell in the table names the official table and page for P283. Full citations, links and revision notes for UN GHS Rev.11, US OSHA, EU CLP, Canada and Mexico: Sources and revision notes.

These are regulatory phrases for labels and safety data sheets. Check them against the official source for your jurisdiction before use.