Table 2.

Volatile organic compounds categorized by chemical classes, with occurrence above 50%.

Chemical Class	Compound Name (CAS, Occurrence of Cancer/Non-Cancer (%))
Aldehydes	hexanal (66-25-1; 87/93), dodecanal (112-54-9; 73/82)
Esters	diethyl phthalate (84-66-2; 87/93)
Ketones	6-methyl-5-hepten-2-one, (110-93-0; 83/92), cyclohexanone (108-94-1; 74/76)
Hydrocarbons	hexadecane (544-76-3; 86/92), tetradecane (629-59-4; 81/84), nonane (111-84-2; 78/82), 1-nonene (124-11-8; 63/59)
Alcohols	1-butanol (71-36-3; 87/92), benzyl alcohol (100-51-6; 81/82), 1-dodecanol (112-53-8; 50/58)
Aromatics	ethylbenzene (100-41-4; 79/90), toluene (108-88-3; 85/88), p-xylene (106-42-3; 73/80), benzene (71-43-2; 73/80)
Heterocyclic	2-methyl-1,3-dioxolane (497-26-7; 58/54)

CAS—Chemical Abstracts Service.