Benzene releases from gasoline stations - Implications for human health: Appendix A

Gasoline substance identity and compositions

Table A-1. Physical and chemical property values of gasoline
Property	Value	Reference
Melting point (°C)	-40	ChemInfo 2009
Boiling point (°C)	39–204 25–220	ATSDR 1995 CONCAWE 1992
Vapour pressure (Pa at 37.8 °C)	35,000–90,000 240 000	CONCAWE 1992 ECHA 2018a, b
Henry's law constant (Pa·m³/mol)^{Footnote a}	48.6–3.3 × 10⁵	Air Force 1989
Log K_ow^{Footnote b}	2.13–4.87	Air Force 1989
Water solubility (mg/L)^{Footnote c}	0.1–1790	EPI Suite 2008
Density (kg/L at 15 °C)	0.72–0.79 0.6–0.88	CONCAWE 1992 ECHA 2018a, b
Abbreviations: K_ow, octanol–water partition coefficient
a Based on benzene–trimethylpentane range Return to footnote a referrer b Based on naphthalene–trimethylpentane range Return to footnote b referrer c Range of solubilities of components Return to footnote c referrer