EUH450 · EU CLP Supplemental statementCan cause long-lasting and diffuse contamination of water resources

EUH · EU onlyEnvironmental

EUH450 is the EU CLP supplemental hazard statement “Can cause long-lasting and diffuse contamination of water resources”. It is used for PMT (persistent, mobile and toxic). Listed in EU CLP.

Maintained by Valenc. Data checked 2026-10-20.

Heading text: EU CLP. Wording can differ by jurisdiction; see the table below.

Wording by jurisdiction

UN GHS Rev.11

Not in UN

GHS Rev.11 (2025), Annex 3

EU-only statement, not part of the UN GHS.

US OSHA HCS

Not adopted

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

EU-only statement.

EU CLP

EU only

EU_CLP_2025 · consolidated 1 Jul 2026

Can cause long-lasting and diffuse contamination of water resources

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

Canada (EN)

Not adopted

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

EUH statements are EU-only.

Canada (FR)

Not adopted

WHMIS_2022 · SGH Rév.7, texte officiel

EUH statements are EU-only.

Mexico (ES)

Not adopted

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

EUH statements are EU-only.

Hazard classes and categories

PMT (persistent, mobile and toxic)

Related codes

EUH431 EUH440 EUH441 EUH451

Change in UN GHS Rev.11

Not part of the UN GHS, so Rev.11 does not apply.

Sources

Each cell in the table names the official table and page for EUH450. 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.