P230 · Precautionary statementKeep diluted with ...
P230 is the GHS precautionary statement “Keep diluted with ...”. UN GHS Annex 3 assigns it to Explosives (chapter 2.1), Category 1, 2A, 2B, 2C and Desensitized explosives (chapter 2.17), Category 1, 2, 3, 4. The wording differs in US OSHA, EU CLP and Canada. Canada’s official French text is “Maintenir humidifié avec…” and Mexico’s Spanish text is “Mantener humidificado con ...”. In the UN GHS Rev.11 label matrix it is used with 7 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 UNKeep diluted with ...
UN GHS Rev.11, Annex 3, Table A3.2.2, PDF p. 315
US OSHA HCS
DiffersKeep wetted with …
29 CFR 1910.1200 App. C, matched by wording
EU CLP
DiffersKeep wetted with…
EU CLP, Annex IV, Part 2
Canada (EN)
DiffersKeep wetted with ...
GHS Rev.7 Annex 3 Table A3.2
In GHS Rev.7 this statement is only assigned to classes or categories that the HPR does not adopt.
Canada (FR)
AdoptedMaintenir humidifié avec…
GHS Rev.7 Annex 3 Table A3.2
Mexico (ES)
AdoptedMantener humidificado con ...
NOM-018-STPS-2015, DOF 9 October 2015, Apéndice D, Tabla D.1, PDF p. 35
Hazard classes and categories
- Explosives (chapter 2.1) · Category 1, 2A, 2B, 2C
- Desensitized explosives (chapter 2.17) · Category 1, 2, 3, 4
UN GHS Rev.11 Annex 3, sections 1 and 2
Conditions for use
- - for explosive substances and mixtures that are diluted with solids or liquids, or wetted with, dissolved or suspended in water or other liquids to reduce their explosive properties. …Manufacturer/supplier or competent authority to specify appropriate material . ...Manufacturer/supplier or the competent authority to specify appropriate material.
Quoted as published in UN GHS Rev.11 Annex 3, section 2. List markers are shown as bullets.
Change in UN GHS Rev.11
No change to the wording or the hazard classes in Annex 3 compared with Rev.10.
Notes
EU CLP wording differs from UN GHS Rev.11.
Sources
Each cell in the table names the official table and page for P230. 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.