P363 · Precautionary statementWash contaminated clothing before reuse.

Precautionary · ResponseHealth

P363 is the GHS precautionary statement “Wash contaminated clothing before reuse”. UN GHS Annex 3 assigns it to Skin corrosion (chapter 3.2), Category 1, 1A, 1B, 1C. The English wording is the same as UN GHS Rev.11 in US OSHA, EU CLP and Canada. Canada’s official French text is “Laver les vêtements contaminés avant réutilisation” and Mexico’s Spanish text is “Lavar la ropa contaminada antes de volverla a usar”. In the UN GHS Rev.11 label matrix it is used with 1 hazard statement (UN only).

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

Wash contaminated clothing before reuse.

UN GHS Rev.11, Annex 3, Table A3.2.3, PDF p. 326

US OSHA HCS

Same as UN
HCS 2024 · primarily GHS Rev.7, some Rev.8

Wash contaminated clothing before reuse.

29 CFR 1910.1200 App. C, matched by wording

EU CLP

Same as UN
EU_CLP_2025 · consolidated 1 Jul 2026

Wash contaminated clothing before reuse.

EU CLP, Annex IV, Part 2

Canada (EN)

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

Wash contaminated clothing before reuse.

GHS Rev.7 Annex 3 Table A3.2

Canada (FR)

Adopted
WHMIS_2022 · SGH Rév.7, texte officiel

Laver les vêtements contaminés avant réutilisation.

GHS Rev.7 Annex 3 Table A3.2

Mexico (ES)

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

Lavar la ropa contaminada antes de volverla a usar

NOM-018-STPS-2015, DOF 9 October 2015, Apéndice D, Tabla D.1, PDF p. 36

Hazard classes and categories

  • Skin corrosion (chapter 3.2) · Category 1, 1A, 1B, 1C

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

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.

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 P363. 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.

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