H317 — May cause an allergic skin reaction
The GHS hazard statement for skin sensitization, category 1 (1a, 1b). Here is what it means, the label elements that travel with it, and the substances that carry it.
At a glance
| Official statement | May cause an allergic skin reaction. |
| Hazard class | Skin sensitization |
| Category | Category 1 (1A, 1B) |
| Signal word | Warning |
| Pictogram |  GHS07 — Exclamation mark |
What it means
Can induce an allergic response after skin contact. Once a person is sensitized, far smaller exposures can trigger a reaction.
Precautionary statements paired with H317
When the engine writes SDS Section 2 or a container label for a product carrying H317, these are the P-codes it assigns, in the official Annex 3 groups:
| Prevention | P261 | Avoid breathing dust/fume/gas/mist/vapors/spray. |
| P272 | Contaminated work clothing should not be allowed out of the workplace. | |
| P280 | Wear protective gloves/protective clothing/eye protection/face protection. | |
| Response | P302 | IF ON SKIN: |
| P312 | Call a POISON CENTER or doctor if you feel unwell. | |
| P321 | Specific treatment (see supplemental first-aid instructions on this label). | |
| P333 | If skin irritation or rash occurs: | |
| P352 | Wash with plenty of water/soap. | |
| P362 | Take off contaminated clothing. | |
| P363 | Wash contaminated clothing before reuse. | |
| Disposal | P501 | Dispose of contents/container in accordance with local/regional/national/international regulations. |
Substances that carry H317
1,070 of the 4,225 substances in our database carry H317 when classified in pure form — recognizable examples:
- formaldehyde — CAS 50-00-0
- glutaral — CAS 111-30-8
- d-limonene — CAS 5989-27-5
- turpentine, oil — CAS 8006-64-2
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.