P370+P372+P380+P373 · Precautionary statementIn case of fire: Explosion risk. Evacuate area. DO NOT fight fire when fire reaches explosives.

Precautionary · ResponsePhysicalCombined

P370+P372+P380+P373 is the GHS precautionary statement “In case of fire: Explosion risk. Evacuate area. DO NOT fight fire when fire reaches explosives”. UN GHS Annex 3 assigns it to 3 hazard classes. The English wording is the same as UN GHS Rev.11 in US OSHA, EU CLP and Canada. Mexico’s Spanish text is “En caso de incendio: Riesgo de explosión. Evacuar la zona. No apagar el fuego cuando éste afecta a la carga”. In the UN GHS Rev.11 label matrix it is used with 5 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

In case of fire: Explosion risk. Evacuate area. DO NOT fight fire when fire reaches explosives.

UN GHS Rev.11, Annex 3, Table A3.2.3, PDF p. 332

US OSHA HCS

Same as UN

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

In case of fire: Explosion risk. Evacuate area. DO NOT fight fire when fire reaches explosives.

29 CFR 1910.1200 App. C, matched by wording

EU CLP

Same as UN

EU_CLP_2025 · consolidated 1 Jul 2026

In case of fire: Explosion risk. Evacuate area. DO NOT fight fire when fire reaches explosives.

EU CLP, Annex IV, Part 2

Canada (EN)

Same as UN

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

In case of fire: Explosion risk. Evacuate area. DO NOT fight fire when fire reaches explosives.

GHS Rev.7 Annex 3 Table A3.2

Canada (FR)

Adopted

WHMIS_2022 · SGH Rév.7, texte officiel

En cas d'incendie: Risque d’explosion. Évacuer la zone. NE PAS combattre l’incendie lorsque le feu atteint les explosifs.

GHS Rev.7 Annex 3 Table A3.2

Mexico (ES)

Adopted

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

En caso de incendio: Riesgo de explosión. Evacuar la zona. No apagar el fuego cuando éste afecta a la carga

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

Hazard classes and categories

Explosives (chapter 2.1) · Category 1, 2A, 2B
Self-reactive substances and mixtures (chapter 2.8) · Category Type A
Organic peroxides (chapter 2.15) · Category Type A

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.

H204 H209 H210 H211 H240

UN GHS Rev.11 Annex 3, section 3. Listed for at least one category that uses each H statement.

Related codes

P370 P372 P380 P373

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 P370+P372+P380+P373. 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.