GHS hazard statement
H341: Suspected of causing genetic defects
- H341
- Health hazards
- Warning
H341 means “Suspected of causing genetic defects”. It is a GHS hazard statement for Germ cell mutagenicity (Category 2), shown with GHS08 under the signal word “Warning”.
Hazard class and category
| Hazard class | Category | Pictogram | Signal word | UN transport class |
|---|---|---|---|---|
| Germ cell mutagenicity | Category 2 |  | Warning | — |
What H341 means
Germ cell mutagens are chemicals that may cause mutations in the germ cells (eggs or sperm) of humans that can be passed on to offspring.
The substance is suspected or known to damage genetic material, and this may carry a long-term health risk.
What to do
Obtain special instructions before use, do not handle until all safety precautions are understood, wear the protective equipment named on the SDS, and keep exposure as low as possible.
This is general guidance for the hazard class. The safety data sheet for your product always takes precedence.
Precautionary statements for H341
The GHS lists these precautionary statements for this hazard. Which ones appear on a label depends on the supplier's classification.
Chemicals carrying H341
5 chemicals in our database. Classification comes from each chemical's primary GHS source, so a supplier's SDS may differ.
H341 frequently asked questions
What does H341 mean?
H341 means "Suspected of causing genetic defects". It is a GHS hazard statement in the health hazards group, covering Germ cell mutagenicity (Category 2).
Which pictogram goes with H341?
H341 is shown with GHS08 (Health Hazard).
What signal word goes with H341?
The signal word for H341 is "Warning".
Which precautionary statements go with H341?
The GHS data lists 5 precautionary statements for H341, including P203, P280, P318, P405, P501. They cover prevention, response, storage and disposal. The full list is on this page.
Hazard statements describe the hazard of a classified substance or mixture. The classification of a specific product can differ, so use the supplier's SDS.
https://pubchem.ncbi.nlm.nih.gov/ghs/ghscode_10.txt (UN GHS Revision 10, retrieved 2026-10-12)