EU-specific statement
EUH029 — Contact with water liberates toxic gas
EUH statements are supplementary European elements with no UN GHS equivalent — they appear on EU labels only. 13 substances with a harmonised EU classification carry this code.
01 · Wording
What EUH029 says
Contact with water liberates toxic gas.
CLP Annex III · EU-specific statements
02 · Legal status
Where EUH029 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.
| Jurisdiction | Basis | Status of EUH029 |
|---|---|---|
| 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) | not in this system |
| US HazCom 2012 | legacy · GHS Rev.3 UN GHS Rev.3, Annex 3 | not in this system |
| UN GHS | Rev.11 (2025) UN GHS Rev.11, Annex 3 | not in this system |
Currently in force under: EU CLP. Sources: EU CLP · US OSHA HazCom · US HazCom 2012 · UN GHS
03 · Substances
Substances carrying EUH029
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.
- 3,5-dichloro-2,4-difluorobenzoyl fluoride CAS 101513-70-6
- aluminium phosphide CAS 20859-73-8
- calcium phosphide; tricalcium diphosphide CAS 1305-99-3
- chloroacetyl chloride CAS 79-04-9
- diphosphorus pentasulphide; phosphorus pentasulphide CAS 1314-80-3
- disulphur dichloride; sulfur monochloride CAS 10025-67-9
- magnesium phosphide; trimagnesium diphosphide CAS 12057-74-8
- phosphorus pentachloride CAS 10026-13-8
- phosphorus trichloride CAS 7719-12-2
- phosphoryl trichloride CAS 10025-87-3
- thionyl dichloride; thionyl chloride CAS 7719-09-7
- trichlorosilane CAS 10025-78-2
- trizinc diphosphide; zinc phosphide CAS 1314-84-7
Nothing matches that filter.
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.