Update to RIFM fragrance ingredient safety assessment, ethyl isobutyrate, CAS Registry Number 97-62-1.

Competing Interests: Declaration of Competing Interest ☒ The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. We wish to confirm that there are no known conflicts of interest associated with this publication and there has been no significant financial support for this work that could have influenced its outcome. RIFM staff are employees of the Research Institute for Fragrance Materials, Inc. (RIFM). The Expert Panel receives a small honorarium for time spent reviewing the subject work. ☐The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: