Melting point :-99 °C (lit.)
Boiling point :159 °C (lit.)
Density :0.862 g/mL at 25 °C (lit.)
vapor density :4.14 (vs air)
vapor pressure :2 mm Hg ( 20 °C)
refractive index :n20/D 1.491(lit.)
Flash point :118 °F
storage temp. :2-8°C
solubility :0.06g/l
form :Liquid
pka :>14 (Schwarzenbach et al., 1993)
color :Clear slightly yellow
explosive limit :0.8-6%(V)
Odor Threshold :0.0038ppm
Water Solubility :Miscible with alcohol, ether, acetone, benzene, and petroleum ether. Slightly miscible with water.
Merck :14,7844
BRN :1903006
Henry's Law Constant :4.35, 6.21, 8.37, 11.6, and 15.3 at 10, 15, 20, 25, and 30 °C, respectively (headspace-GC, Perlinger et al., 1993)
Dielectric constant :2.4（20℃）
Stability :Stable. Flammable. Incompatible with strong oxidizing agents.
InChIKey :ODLMAHJVESYWTB-UHFFFAOYSA-N
LogP :3.690
CAS DataBase Reference :103-65-1(CAS DataBase Reference)
NIST Chemistry Reference :Benzene, propyl-(103-65-1)
EPA Substance Registry System :n-Propylbenzene (103-65-1)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning H304 May be fatal if swallowed and enters airways Aspiration hazard Category 1 Danger H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273 Avoid release to the environment.