Research Article

Identification of 24 Unknown Substances (NIAS/IAS) from Food Contact Polycarbonate by LC-Orbitrap Tribrid HRMS-DDMS3: Safety Assessment

Table 2

Risk assessment of the identified compounds.

SubstanceMigration concentration (mg/kg food)SML (mg/kg food)EDI (mg/person/day)Cramer classTDICramer (mg/person/day)TDI (mg/person/day)HQ (EDI/TDI)

3,5-Ditert-butyl-4-hydroxybenzaldehyde (1620-98-0)10.130.1320.540.24
4-tert-Butylcyclohexyl acetate (32210-23-4)10.130.1320.540.24
Benazol P (2440-22-4)20.07300.07
Benzyl octyl adipate (3089-55-2)10.040.0411.80.02
Bis (2-ethylhexyl) adipate (103-23-1)20.56180.56
D,L-Camphor (76-22-2)20.03600.03
Citroflex A-4 (77-90-7)20.03600.03
Dibutyl hexanodioate (105-99-7)20.010.0111.80.006
Dibutyl phthalate (84-74-2)20.210.30.210.6a0.35
Dibutyl sebacate (109-43-3)20.09600.09
Diethyl phthalate (84-66-2)20.010.0149.2b0.0002
Dodecyl sulfate (151-21-3)10.200.230.092.22
Dipentyl phthalate (131-18-0)10.050.0511.80.03
Erucamide (112-84-5)20.34600.34
Galaxolidone (507442-49-1)10.140.1430.091.56
Hexadecanamide (629-54-9)11.2251.22
Irgafos 168 (31570-04-4)20.99600.99
Methyl dihydrojasmonate (24851-98-7)20.020.0220.540.04
N,N′-Dicyclohexylurea (2387-23-7)10.020.0230.090.22
DEET (134-62-3)10.030.0330.090.33
Octyl decyl phthalate (119-07-3)12.442.4411.81.36
Oleamide (301-02-0)20.04600.04
Palmitoyl ethanolamide (544-31-0)10.030.0330.090.33
Stearamide (124-26-5)10.33600.33

1Migration (mg/kg) estimated semiquantitatively using the average response factor of a set of internal standards. 2Migration (mg/kg) calculated quantitatively using the calibration curve of the substance standard. Group restriction (sum of substances group restriction 12). Regulation 10/2011. Limit of 60 mg/kg for authorized substances (IAS) with no SML. Regulation 10/2011. Group restriction (sum of substances group restriction 32). Regulation 10/2011. aEFSA TDI 0.01 (mg/kg bw/day) [47]. Calculation of TDI in mg person−1 day−1 considering a person’ weight of 60 kg. bUS EPA TDI 0.8 (mg/kg bw/day) [48]. Calculation of TDI in mg person−1 day−1 considering a person’ weight of 60 kg.