Provenance

Reference data from EU CLP Annex VI and published regulations — verify against your supplier's SDS before use.

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Health hazard · Skin sensitisation

H317 — May cause an allergic skin reaction

Health hazard statements describe what the substance does to a person exposed to it. 1,026 substances with a harmonised EU classification carry this code.

EU CLP: currentUS OSHA HazCom: currentUS HazCom 2012: currentUN GHS: current

01 · Wording

What H317 says

Official

May cause an allergic skin reaction.

Source

CLP Annex III · Health hazards

Classification
GHS07 pictogram — exclamation mark

Skin sensitisation GHS chapter 3.4

Categories 1, 1A, 1B · pictogram GHS07 (exclamation mark) · signal word Warning

UN GHS history

Unchanged since 2009.

Rev.3 2009
Rev.4 2011
Rev.5 2013
Rev.6 2015
Rev.7 2017
Rev.8 2019
Rev.9 2021
Rev.10 2023
Rev.11 2025
wording never changed

Present in every UN GHS edition from Rev.3 (2009) to Rev.11 (2025), with the same wording throughout.

Nine editions of the UN model text, 86 hazard statements, 19 of which ever moved. Read the full story in what changed in UN GHS Rev.11.

02 · Languages

H317 in the 24 official EU languages

A label put on the market in an EU country must carry the wording of that country's own language version of CLP — not a translation of the English one. These 24 lines are quoted from the consolidated regulation, Annex III, and are the text to print.

LanguageOfficial wording of H317
BG български Bulgarian Може да причини алергична кожна реакция.
ES español Spanish Puede provocar una reacción alérgica en la piel.
CS čeština Czech Může vyvolat alergickou kožní reakci.
DA dansk Danish Kan forårsage allergisk hudreaktion.
DE Deutsch German Kann allergische Hautreaktionen verursachen.
ET eesti Estonian Võib põhjustada allergilist nahareaktsiooni.
EL ελληνικά Greek Μπορεί να προκαλέσει αλλεργική δερματική αντίδραση.
EN English English May cause an allergic skin reaction.
FR français French Peut provoquer une allergie cutanée.
GA Gaeilge Irish D'fhéadfadh sé a bheith ina chúis le frithghníomh ailléirgeach craicinn.
HR hrvatski Croatian Može izazvati alergijsku reakciju na koži.
IT italiano Italian Può provocare una reazione allergica cutanea.
LV latviešu Latvian Var izraisīt alerģisku ādas reakciju.
LT lietuvių Lithuanian Gali sukelti alerginę odos reakciją.
HU magyar Hungarian Allergiás bőrreakciót válthat ki.
MT Malti Maltese Jista’ jikkawża reazzjoni allerġika tal-ġilda.
NL Nederlands Dutch Kan een allergische huidreactie veroorzaken.
PL polski Polish Może powodować reakcję alergiczną skóry.
PT português Portuguese Pode provocar uma reacção alérgica cutânea.
RO română Romanian Poate provoca o reacție alergică a pielii.
SK slovenčina Slovak Môže vyvolať alergickú kožnú reakciu.
SL slovenščina Slovenian Lahko povzroči alergijski odziv kože.
FI suomi Finnish Voi aiheuttaa allergisen ihoreaktion.
SV svenska Swedish Kan orsaka allergisk hudreaktion.

Source: CELEX:02008R1272-20260501, Annex III. © European Union, https://eur-lex.europa.eu — only the electronic Official Journal of the European Union is authentic. Irish is one of the 24 official languages and its H and P texts are printed inside the multilingual Annex tables, but no consolidated CLP has ever been published in Irish — which is why an Irish-primary label cannot be built here.

03 · Legal status

Where H317 is current

GHS is a United Nations model text, revised every two years, and each jurisdiction adopts a revision on its own timetable. A code can be legally current in one system and deleted in another — that is normal, not an error.

JurisdictionBasisStatus of H317
EU CLP Regulation (EC) 1272/2008 CLP Annex IV, Part 2 (consolidated) Current
US OSHA HazCom 29 CFR 1910.1200 Appendix C UN GHS Rev.7 (final rule of 20 May 2024) Current
US HazCom 2012 legacy · GHS Rev.3 UN GHS Rev.3, Annex 3 Current
UN GHS Rev.11 (2025) UN GHS Rev.11, Annex 3 Current

Currently in force under: EU CLP, US OSHA HazCom, US HazCom 2012, UN GHS. Sources: EU CLP · US OSHA HazCom · US HazCom 2012 · UN GHS

04 · Substances

Substances carrying H317

Every entry whose harmonised CLP Annex VI classification includes this hazard statement. Substances with a reference page here open on this site; the rest open on ghssymbols.com. Of these, 130 are group entries such as “salts of picric acid” or “beryllium compounds” — Annex VI gives them no CAS number, so they are listed by Index No and have no page of their own.

1026 of 1026 shown

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All hazard statements

The full list of H-codes with the jurisdiction switch lives on the hazard statements hub. For what to do about the hazard, see precautionary statements (P-codes).

Wording quoted from the regulation named above. Substance counts come from harmonised classifications in CLP Annex VI — the statements on a real product also depend on the supplier's own classification. Always check the supplier safety data sheet.

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