P405 · Precautionary statementStore locked up.

Precautionary · StorageHealth

P405 is the GHS precautionary statement “Store locked up”. UN GHS Annex 3 assigns it to 11 hazard classes. The English wording is the same as UN GHS Rev.11 in US OSHA, EU CLP and Canada. Canada’s official French text is “Garder sous clef” and Mexico’s Spanish text is “Guardar bajo llave”. In the UN GHS Rev.11 label matrix it is used with 19 hazard statements (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

Store locked up.

UN GHS Rev.11, Annex 3, Table A3.2.4, PDF p. 334

US OSHA HCS

Same as UN

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

Store locked up.

29 CFR 1910.1200 App. C, matched by wording

EU CLP

Same as UN

EU_CLP_2025 · consolidated 1 Jul 2026

Store locked up.

EU CLP, Annex IV, Part 2

Canada (EN)

Same as UN

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

Store locked up.

GHS Rev.7 Annex 3 Table A3.2

Canada (FR)

Adopted

WHMIS_2022 · SGH Rév.7, texte officiel

Garder sous clef.

GHS Rev.7 Annex 3 Table A3.2

Mexico (ES)

Adopted

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

Guardar bajo llave

NOM-018-STPS-2015, DOF 9 October 2015, Apéndice D, Tabla D.1, PDF p. 38

Hazard classes and categories

Acute toxicity, oral (chapter 3.1) · Category 1, 2, 3
Acute toxicity, dermal (chapter 3.1) · Category 1, 2, 3
Acute toxicity, inhalation (chapter 3.1) · Category 1, 2, 3
Skin corrosion (chapter 3.2) · Category 1, 1A, 1B, 1C
Germ cell mutagenicity (chapter 3.5) · Category 1, 1A, 1B, 2
Carcinogenicity (chapter 3.6) · Category 1, 1A, 1B, 2
Reproductive toxicity (chapter 3.7) · Category 1, 1A, 1B, 2
Specific target organ toxicity, single exposure (chapter 3.8) · Category 1, 2
Specific target organ toxicity, single exposure; respiratory tract irritation (chapter 3.8) · Category 3
Specific target organ toxicity, single exposure; narcotic effects (chapter 3.8) · Category 3
Aspiration hazard (chapter 3.10) · Category 1, 2

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.

H300 H301 H304 H305 H310 H311 H314 H330 H331 H335 H336 H340 H341 H350 H351 H360 H361 H370 H371

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 P405. 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.