H317 · Hazard statementMay cause an allergic skin reaction

Hazard statementHealth

H317 is the GHS hazard statement “May cause an allergic skin reaction”. It is used for Skin sensitization (chapter 3.4), Category 1, 1A, 1B. The English wording is the same as UN GHS Rev.11 in US OSHA, EU CLP and Canada. Canada’s official French text is “Peut provoquer une allergie cutanée” and Mexico’s Spanish text is “Puede provocar una reacción cutánea alérgica”. 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 cause an allergic skin reaction

UN GHS Rev.11, Annex 3, Table A3.1.2, PDF p. 304

US OSHA HCS

Same as UN

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

May cause an allergic skin reaction

29 CFR 1910.1200 App. C, matched by wording

EU CLP

Same as UN

EU_CLP_2025 · consolidated 1 Jul 2026

May cause an allergic skin reaction.

EU CLP (Reg. (EC) No 1272/2008), Annex III, Part 1

Canada (EN)

Same as UN

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

May cause an allergic skin reaction

GHS Rev.7 Annex 3 Table A3.1

Canada (FR)

Adopted

WHMIS_2022 · SGH Rév.7, texte officiel

Peut provoquer une allergie cutanée

GHS Rev.7 Annex 3 Table A3.1

Mexico (ES)

Adopted

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

Puede provocar una reacción cutánea alérgica

Sensibilización cutánea · 1, 1A, 1B

NOM-018-STPS-2015, DOF 9 October 2015, Apéndice C, Tabla C.2, PDF p. 31

Hazard classes and categories

Skin sensitization (chapter 3.4) · Category 1, 1A, 1B

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

FRSensibilisation cutanée (chapitre 3.4) · catégorie 1, 1A, 1B

ESSensibilización cutánea · 1, 1A, 1B (NOM-018-STPS-2015)

Pictogram: Exclamation mark (GHS07)

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.

Skin sensitization (chapter 3.4), categories 1, 1A, 1B (PDF p. 394)
P261 P272 P280 P321 P323 P501 P302+P352 P333+P317 P362+P364

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.

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 H317. 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.