H211 · Hazard statementMay be sensitive

Hazard statementPhysicalNot adopted: US, EU, Canada, Mexico

H211 is the GHS hazard statement “May be sensitive”. It is used for Explosives (chapter 2.1), Category 1. Not adopted in US OSHA, EU CLP, Canada and Mexico. The UN GHS Rev.11 label matrix lists 9 precautionary statements for it (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

May be sensitive

UN GHS Rev.11, Annex 3, Table A3.1.1, PDF p. 302

US OSHA HCS

Not adopted

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

OSHA classifies explosives by division, so there is no direct match for this code.

EU CLP

Not adopted

EU_CLP_2025 · consolidated 1 Jul 2026

Not listed in EU CLP Annex III or IV.

Canada (EN)

Not adopted

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

Not in GHS Rev.7 (the edition the HPR incorporates).

Canada (FR)

Not adopted

WHMIS_2022 · SGH Rév.7, texte officiel

Not in GHS Rev.7 (the edition the HPR incorporates).

Mexico (ES)

Not adopted

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

Not listed in NOM-018-STPS-2015 Appendix C/D.

Hazard classes and categories

Explosives (chapter 2.1) · Category 1

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

Pictogram: Exploding bomb (GHS01)

UN GHS Rev.11 Annex 3, section 3. Pictogram rules can differ by jurisdiction; see the GHS pictogram guide.

P statements 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 different P statements; check the regulation for your market.

Explosives (chapter 2.1), categories 1 (PDF p. 340)
P203 P210 P230 P240 P250 P280 P401 P503 P370+P372+P380+P373

UN GHS Rev.11 Annex 3, section 3. Each table covers the categories named; a P statement may apply to only some of them. Many apply only under conditions; check the conditions for use before putting them on a label.

Related codes

H204 H209 H210

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 H211. 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.