H312Harmful in contact with skin

The GHS hazard statement for acute toxicity, dermal, category 4. Here is what it means, the label elements that travel with it, and the substances that carry it.

At a glance

Official statementHarmful in contact with skin.
Hazard classAcute toxicity, dermal
CategoryCategory 4
Signal wordWarning
PictogramGHS07 HarmfulGHS07Exclamation mark

What it means

Serious harm from skin contact over a single short exposure. Categories are set from acute toxicity estimates (ATE) per GHS Chapter 3.1.

Precautionary statements paired with H312

When the engine writes SDS Section 2 or a container label for a product carrying H312, these are the P-codes it assigns, in the official Annex 3 groups:

PreventionP280Wear protective gloves/protective clothing/eye protection/face protection.
ResponseP302IF ON SKIN:
P312Call a POISON CENTER or doctor if you feel unwell.
P321Specific treatment (see supplemental first-aid instructions on this label).
P352Wash with plenty of water/soap.
P363Wash contaminated clothing before reuse.
DisposalP501Dispose of contents/container in accordance with local/regional/national/international regulations.

Substances that carry H312

3 of the 4,225 substances in our database carry H312 when classified in pure form — recognizable examples:

  • Benzalkonium chloride (ADBAC) — CAS 8001-54-5
  • ethyl acrylate — CAS 140-88-5
  • methyl acrylate — CAS 96-33-3

Same hazard class: H310 · H311 · H313

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.

The engine writes these for you.

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.