P410+P403 · Precautionary statementProtect from sunlight. Store in a well-ventilated place.

Precautionary · StoragePhysicalCombined

P410+P403 is the GHS precautionary statement “Protect from sunlight. Store in a well-ventilated place”. UN GHS Annex 3 assigns it to Chemicals under pressure (chapter 2.3), Category 1, 2, 3 and Gases under pressure (chapter 2.5), Category Compressed gas, Liquefied gas, Dissolved gas. The English wording is the same as UN GHS Rev.11 in US OSHA, EU CLP and Canada. Canada’s official French text is “Protéger du rayonnement solaire. Stocker dans un endroit bien ventilé” and Mexico’s Spanish text is “Proteger de la luz solar. Almacenar en un lugar bien ventilado”. In the UN GHS Rev.11 label matrix it is used with 4 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

Protect from sunlight. Store in a well-ventilated place.

UN GHS Rev.11, Annex 3, Table A3.2.4, PDF p. 336

US OSHA HCS

Same as UN

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

Protect from sunlight. Store in a well-ventilated place

29 CFR 1910.1200 App. C, matched by wording

EU CLP

Same as UN

EU_CLP_2025 · consolidated 1 Jul 2026

Protect from sunlight. Store in a well-ventilated place.

EU CLP, Annex IV, Part 2

Canada (EN)

Same as UN

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

Protect from sunlight. Store in a well-ventilated place.

GHS Rev.7 Annex 3 Table A3.2

Canada (FR)

Adopted

WHMIS_2022 · SGH Rév.7, texte officiel

Protéger du rayonnement solaire. Stocker dans un endroit bien ventilé.

GHS Rev.7 Annex 3 Table A3.2

Mexico (ES)

Adopted

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

Proteger de la luz solar. Almacenar en un lugar bien ventilado

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

Hazard classes and categories

Chemicals under pressure (chapter 2.3) · Category 1, 2, 3
Gases under pressure (chapter 2.5) · Category Compressed gas, Liquefied gas, Dissolved gas

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.

H280 H282 H283 H284

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

Conditions for use

P410 may be omitted for chemicals under pressure filled in transportable cylinders in accordance with packing instruction P200 or P206 of the UN Model Regulations, unless those chemicals under pressure are subject to (slow) decomposition or polymerization, or the competent authority provides otherwise.
P410 may be omitted for gases filled in transportable gas cylinders in accordance with packing instruction P200 of the UN Model Regulations, unless those gases are subject to (slow) decomposition or polymerisation, or the competent authority provides otherwise.

Quoted as published in UN GHS Rev.11 Annex 3, section 2. List markers are shown as bullets.

Related codes

P410 P403

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 P410+P403. 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.