P404 · Precautionary statementStore in a closed container.
P404 is the GHS precautionary statement “Store in a closed container”. UN GHS Annex 3 assigns it to Substances and mixtures which, in contact with water, emit flammable gases (chapter 2.12), Category 1, 2, 3. The English wording is the same as UN GHS Rev.11 in EU CLP and Canada. OSHA uses it only inside combined statements. Canada’s official French text is “Stocker dans un récipient fermé” and Mexico’s Spanish text is “Almacenar en un recipiente cerrado”.
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 UNStore in a closed container.
UN GHS Rev.11, Annex 3, Table A3.2.4, PDF p. 334
US OSHA HCS
In combined statementsUsed in OSHA App. C only inside combined statements: P402+P404. Precautionary statements may be combined (App. C, C.2.4.6).
EU CLP
Same as UNStore in a closed container.
EU CLP, Annex IV, Part 2
Canada (EN)
Same as UNStore in a closed container.
GHS Rev.7 Annex 3 Table A3.2
Canada (FR)
AdoptedStocker dans un récipient fermé.
GHS Rev.7 Annex 3 Table A3.2
Mexico (ES)
AdoptedAlmacenar en un recipiente cerrado
NOM-018-STPS-2015, DOF 9 October 2015, Apéndice D, Tabla D.1, PDF p. 38
Hazard classes and categories
- Substances and mixtures which, in contact with water, emit flammable gases (chapter 2.12) · Category 1, 2, 3
UN GHS Rev.11 Annex 3, sections 1 and 2
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 P404. 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.