P331 · Precautionary statementDo NOT induce vomiting.
P331 is the GHS precautionary statement “Do NOT induce vomiting”. UN GHS Annex 3 assigns it to Skin corrosion (chapter 3.2), Category 1, 1A, 1B, 1C and Aspiration hazard (chapter 3.10), Category 1, 2. The English wording is the same as UN GHS Rev.11 in US OSHA, EU CLP and Canada. Canada’s official French text is “Ne PAS faire vomir” and Mexico’s Spanish text is “No provocar el vómito”. In the UN GHS Rev.11 label matrix it is used with 2 hazard statements (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 UNDo NOT induce vomiting.
UN GHS Rev.11, Annex 3, Table A3.2.3, PDF p. 325
US OSHA HCS
Same as UNDo NOT induce vomiting.
29 CFR 1910.1200 App. C, matched by wording
EU CLP
Same as UNDo NOT induce vomiting.
EU CLP, Annex IV, Part 2
Canada (EN)
Same as UNDo NOT induce vomiting.
GHS Rev.7 Annex 3 Table A3.2
Canada (FR)
AdoptedNe PAS faire vomir.
GHS Rev.7 Annex 3 Table A3.2
Mexico (ES)
AdoptedNo provocar el vómito
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
- Aspiration hazard (chapter 3.10) · Category 1, 2
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 P331. 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.