mutagen

https://doi.org/10.1351/goldbook.MT06833
Agent that can induce heritable changes (mutations) of the genotype in a cell as a consequence of alterations or loss of genetic material.
Source:
PAC, 2004, 76, 1033. 'Glossary of terms used in toxicokinetics (IUPAC Recommendations 2003)' on page 1062 (https://doi.org/10.1351/pac200476051033)