Table 3: Classification of aromatic pyrolysis products (including their formula) from the tall oil studies.

Aromatics, one benzene ring  Benzene C6H6  Toluene C7H8  Ethylbenzene C8H10  Styrene C8H8  o-Xylene and p-xylenec C8H10  Cumenec C8H12  Propenylbenzene C9H12  Isocumeneb C9H12  o-Ethyltoluene and m-ethyltoluene C9H12  α-Methylstyrolc C9H10  m-Vinyltolueneb C9H10  2-Isopropyltoluene C10H14  Indaneb C9H10  Indene C9H8  1,2-Diethylbenzenec C10H14  m-Propyltoluenec and o-propyltolueneb C10H14  Butylbenzeneb C10H14  β-Dimethylstyrene C10H12  2,5-Dimethylstyrenec C10H12  p-Methylcumenec C10H14  o-Allyltoluenec C10H12  2-Butenylbenzene C10H12  α,p-Dimethylstyrenec C10H12  p-Ethylcumenec C11H16  2-Phenyl-2-pentene C11H14  2,4-Dimethylcumenec C11H16  1-Methylindeneb C10H10  o-Isopropyl-α-methylstyrenec C12H16  Phenoprenec C10H10  Pentylbenzeneb C11H16  1,2-Dihydronaphthaleneb C10H10  p-Isobutyltolueneb C11H16  3-Phenyl-2-pentenec C11H14  1,1-Dimethylindene C11H12  Trimethyl(1-methylethyl)benzenec C12H18  2,3-Dihydro-1,1,6-trimethylindenec C12H16  1,4-Dimethyltetralinc C12H16  1,3-Dimethylindenec and 4,7-dimethylindenec C11H12  1,2-Diethyl-3,4-dimethylbenzenec C12H18  Hexylbenzeneb C12H18   (1-Methylbuta-1,3-dienyl)benzenec C11H12  1,2-Dihydro-3-methylnaphthalenec C11H12  1,1,3-Trimethylindenec C12H14  β,2,4,6-Tetramethylstyrenec C12H16  1,1,6-Trimethyltetralinc C13H18  1-Phenyl-1,3-hexadienec C12H14  Heptylbenzeneb C13H20  o-Hexyltolueneb C13H20  (2,4,6-Trimethylphenyl)allenec C12H14  1,1-Dimethyl-3-vinylindanc C13H16  Octylbenzeneb C14H22  3-Ethyl-1-(1-methylethyl)indenec C14H18  Nonylbenzeneb C15H24  Decylbenzeneb C16H26  Methyl-1-methyleneoctahydrophenanthrenec C16H20  Undecylbenzeneb C17H28  4,8-Diethyl-1,5-dimethyldicyclopenta[a,d]benzenec C18H26 Aromatics, two benzene rings  Naphthalene C10H8  α-Methylnaphthalene and β-methylnaphthalene C11H10  1,3-Dimethylnaphthalene and C12H12  2,6-dimethylnaphthalenec  1-Ethylnaphthalenec C12H12  2-Ethenylnaphthalenec C12H10  2-(1-Methylethyl)naphthalenec C13H14  1,4,5-Trimethylnaphthalenec C13H14  1,2,3,4-Tetramethylnaphthalenec C14H16  1-Methyl-7-(1-methylethyl)naphthalenec C14H16  4,4′-Dimethyl-1,1′-biphenylc C14H14  1,6-Dimethyl-4-(1-methylethyl)naphthalenec C15H18  9,10-Dihydro-1-methylphenanthrenec C15H16  1,1-Diphenyl-1,3-pentadienec C17H16  Bis(1-methylethyl)-1,1′-biphenylc C18H22  9-Butyl-1,2,3,4-tetrahydroanthracenec C18H22 Aromatics, three benzene rings  1-Methyl-phenanthrenec C15H12  2,3,5-Trimethylphenanthrenec C17H16  1-Methyl-7-(1-methylethyl)phenanthrenec C18H18  Methyl-n-propylphenanthrenec C18H18 Phenolics and other oxygen containing aromatics  Phenolb C6H6O  2-Methylphenolc C7H8O  2,5-Dimethylphenolc C8H10O  1-(2,4-Dimethylphenyl)ethanonec C10H12O  4-(1-Methylethyl)benzenemethanolc C10H14O  2,3-Dihydro-3,3-dimethylinden-1-olc C11H14O  1-(1,1′-Biphenyl)-4-yl-ethanonec C14H12O  Isomaturninc C16H14O3

ompounds are listed within each substance group according to their GC retention times. nly in the pyrolysate of neutralised TOFA. nly in the pyrolysate of neutralised TOR.