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RIFM fragrance ingredient safety assessment, 6-nonenenitrile, (Z)- (9CI), CAS Registry Number 80639-54-9

: Api, A.M.; Belsito, D.; Biserta, S.; Botelho, D.; Bruze, M.; Burton, G.A.; Buschmann, J.; Cancellieri, M.A.; Dagli, M.L.; Date, M.; Dekant, W.; Deodhar, C.; Fryer, A.D.; Gadhia, S.; Jones, L.; Joshi, K.; Kumar, M.; Lapczynski, A.; Lavelle, M.; Lee, I.; Liebler, D.C.; Moustakas, H.; Na, M.; Penning, T.M.; Ritacco, G.; Romine, J.; Sadekar, N.; Schultz, T.W.; Selechnik, D.; Siddiqi, F.; Sipes, I.G.; Sullivan, G.; Thakkar, Y.; Tokura, Y.


Food and Chemical Toxicology : FCT 153 (2021), Supplement 1, Art. 112180
ISSN: 0278-6915
ISSN: 1873-6351
Fraunhofer ITEM ()

The existing information supports the use of this material as described in this safety assessment. 6-Nonenenitrile, (Z)- (9CI) was evaluated for genotoxicity, repeated dose toxicity, reproductive toxicity, local respiratory toxicity, phototoxicity/photoallergenicity, skin sensitization, and environmental safety. Data from read-across analog 3-(cis-3-hexenyloxy)propanenitrile (CAS # 142653-61-0) show that 6-nonenenitrile, (Z)- (9CI) is not expected to be genotoxic. The repeated dose, reproductive, and local respiratory toxicity endpoints were evaluated using the Threshold of Toxicological Concern (TTC) for a Cramer Class III material, and the exposure to 6-nonenenitrile, (Z)- (9CI) is below the TTC (0.0015 mg/kg/day, 0.0015 mg/kg/day, and 0.47 mg/day, respectively). Data from read-across analog 3-(cis-3-hexenyloxy)propanenitrile (CAS # 142653-61-0) show that there are no safety concerns for 6-nonenenitrile, (Z)- (9CI) for skin sensitization under the current declared levels of use. The phototoxicity/photoallergenicity endpoints were evaluated based on ultraviolet (UV) spectra; 6-nonenenitrile, (Z)- (9CI) is not expected to be phototoxic/photoallergenic. The environmental endpoints were evaluated; 6-nonenenitrile, (Z)- (9CI) 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.