Physical hazard · Corrosive to metals
H290 — May be corrosive to metals
Physical hazard statements describe what the substance itself can do — explode, ignite, react, corrode metal. 3 substances with a harmonised EU classification carry this code.
01 · Wording
What H290 says
May be corrosive to metals.
CLP Annex III · Physical hazards
Corrosive to metals GHS chapter 2.16
Category 1 · pictogram GHS05 (corrosion) · signal word Warning
Unchanged since 2009.
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 · Legal status
Where H290 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 H290 |
|---|---|---|
| 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
03 · Substances
Substances carrying H290
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.
- formic acid CAS 64-18-6
- hydroxylamine ....% [> 55 % in aqueous solution] CAS 7803-49-8
- hydroxylammonium chloride; hydroxylamine hydrochloride [1]; bis(hydroxylammonium) sulfate; hydroxylamine sulfate (2:1) [2] CAS 5470-11-1[1]10039-54
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.