H330 — Fatal if inhaled
The GHS hazard statement for acute toxicity, inhalation, categories 1 and 2. Here is what it means, the label elements that travel with it, and the substances that carry it.
At a glance
| Official statement | Fatal if inhaled. |
| Hazard class | Acute toxicity, inhalation |
| Category | Categories 1 and 2 |
| Signal word | Danger |
| Pictogram |  GHS06 — Skull and crossbones |
What it means
Serious harm from breathing the substance — as gas, vapor, dust, or mist — over a single short exposure. Categories are set from acute toxicity estimates (ATE) per GHS Chapter 3.1.
Precautionary statements paired with H330
When the engine writes SDS Section 2 or a container label for a product carrying H330, these are the P-codes it assigns, in the official Annex 3 groups:
| Prevention | P260 | Do not breathe dust/fume/gas/mist/vapors/spray. |
| P271 | Use only outdoors or in a well-ventilated area. | |
| P284 | In case of inadequate ventilation wear respiratory protection. | |
| Response | P304 | IF INHALED: |
| P310 | Immediately call a POISON CENTER or doctor. | |
| P320 | Specific treatment is urgent (see first-aid instructions on this label). | |
| P340 | Remove person to fresh air and keep comfortable for breathing. | |
| Storage | P403 | Store in a well-ventilated place. |
| P405 | Store locked up. | |
| Disposal | P501 | Dispose of contents/container in accordance with local/regional/national/international regulations. |
Substances that carry H330
17 of the 4,225 substances in our database carry H330 when classified in pure form — recognizable examples:
- (3E)-dec-3-en-2-one — CAS 18402-84-1
- 1,2-benzisothiazolin-3-one — CAS 2634-33-5
- allyl methacrylate — CAS 96-05-9
- barium diboron tetraoxide — CAS 13701-59-2
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.