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RIFM fragrance ingredient safety assessment, 2-phenylpropionaldehyde, CAS Registry Number 93-53-8

: Api, A.M.; Belmonte, F.; Belsito, D.; Biserta, S.; Botelho, D.; Bruze, M.; Burton, G.A., Jr.; Buschmann, J.; Cancellieri, M.A.; Dagli, M.L.; Date, M.; Dekant, W.; Deodhar, C.; Fryer, A.D.; Gadhia, S.; Jones, L.; Joshi, K.; Lapczynski, A.; Lavelle, M.; Liebler, D.C.; Na, M.; O'Brien, D.; Patel, A.; Penning, T.M.; Ritacco, G.; Rodriguez-Ropero, F.; Romine, J.; Sadekar, N.; Salvito, D.; Schultz, T.W.; Sipes, I.G.; Sullivan, G.; Thakkar, Y.; Tokura, Y.; Tsang, S.


Food and Chemical Toxicology : FCT 144 (2020), Supplement 1, Art. 111697
ISSN: 0278-6915
ISSN: 1873-6351
Fraunhofer ITEM ()

Summary: The existing information supports the use of this material as described in this safety assessment. 2-Phenylpropionaldehyde was evaluated for genotoxicity, repeated dose toxicity, developmental and reproductive toxicity, local respiratory toxicity, phototoxicity/photoallergenicity, skin sensitization, and environmental safety. Data on read-across analogs 3-phenylbutanal (CAS # 16251-77-7) and isopropylphenylbutanal (CAS # 125109-85-5) show that this material is not expected to be genotoxic. Data from the target material provide a calculated margin of exposure (MOE) >100 for the repeated dose toxicity endpoint and a No Expected Sensitization Induction Level (NESIL) of 380 μg/cm2 for the skin sensitization endpoint. The developmental and reproductive toxicity and the local respiratory toxicity endpoints were completed using the threshold of toxicological concern (TTC) for a Cramer Class I material (0.03 mg/kg/day and 1.4 mg/day, respectively). The phototoxicity/photoallergenicity endpoints were evaluated based on ultraviolet (UV) spectra; 2-phenylpropionaldehyde is not expected to be phototoxic/photoallergenic. The environmental endpoints were evaluated; 2-phenylpropionaldehyde was found not to be persistent, bioaccumulative, and toxic (PBT) as per the International Fragrance Association (IFRA) Environmental Standards, and its risk quotients, based on its current volume of use in Europe and North America (i.e., Predicted Environmental Concentration/Predicted No Effect Concentration [PEC/PNEC]), are <1.