H301 — Toxic if swallowed
The GHS hazard statement for acute toxicity, oral, category 3. Here is what it means, the label elements that travel with it, and the substances that carry it.
At a glance
| Official statement | Toxic if swallowed. |
| Hazard class | Acute toxicity, oral |
| Category | Category 3 |
| Signal word | Danger |
| Pictogram |  GHS06 — Skull and crossbones |
What it means
Serious harm — up to and including death — from swallowing a single dose or several doses within 24 hours. Categories 1 (most severe) onward are set from acute toxicity estimates (ATE) per GHS Chapter 3.1.
Precautionary statements paired with H301
When the engine writes SDS Section 2 or a container label for a product carrying H301, these are the P-codes it assigns, in the official Annex 3 groups:
| Prevention | P264 | Wash hands and exposed skin thoroughly after handling. |
| P270 | Do not eat, drink or smoke when using this product. | |
| Response | P301 | IF SWALLOWED: rinse mouth. Do NOT induce vomiting. |
| P310 | Immediately call a POISON CENTER or doctor. | |
| P321 | Specific treatment (see supplemental first-aid instructions on this label). | |
| Storage | P405 | Store locked up. |
| Disposal | P501 | Dispose of contents/container in accordance with local/regional/national/international regulations. |
Substances that carry H301
365 of the 4,225 substances in our database carry H301 when classified in pure form — recognizable examples:
- Methanol — CAS 67-56-1
- hydrogen chloride — CAS 7647-01-0
- glutaral — CAS 111-30-8
- phenol — CAS 108-95-2
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.