The GHS hazard statement for corrosive to metals, category 1. Here is what it means, the label elements that travel with it, and the substances that carry it.
Chemicals that visibly corrode steel or aluminum in standard testing. This is a storage-and-container hazard — it says nothing by itself about effects on skin.
When the engine writes SDS Section 2 or a container label for a product carrying H290, these are the P-codes it assigns, in the official Annex 3 groups:
4 of the 4,228 substances in our database carry H290 when classified in pure form — recognizable examples:
Reference information, not legal or professional advice. Statement texts and allocations follow GHS Rev 9 / 29 CFR 1910.1200 Appendix C as implemented by our classification engine; the regulatory text and agency practice control. Claims last reviewed July 23, 2026.
When SDS HQ authors an SDS or a container label, it assigns the hazard statements, signal word, pictograms, and precautionary statements from these same tables — automatically, with the calculation shown.