Melting point :−95 °C(lit.)
Boiling point :136 °C(lit.)
Density :0.867 g/mL at 25 °C(lit.)
vapor density :3.7 (vs air)
vapor pressure :28.69 psi ( 55 °C)
refractive index :n20/D 1.495(lit.)
Flash point :72 °F
storage temp. :Store below +30°C.
solubility :0.2g/l
form :Liquid
color :Colorless
Relative polarity :0.117
Odor :Aromatic.
Odor Threshold :0.17ppm
explosive limit :1.0-7.8%(V)
Water Solubility :0.0206 g/100 mL
FreezingPoint :-95℃
Merck :14,3765
BRN :1901871
Henry's Law Constant :13.9(x 10^-3 atm?m³/mol) at 45.00 °C, 15.1 at 50.00 °C, 17.1 at 55.00 °C, 20.1 at 60.00 °C, 20.9 at 65.00 °C, 22.7 at 70.00 °C, 34.3 at 80.00 °C (static headspace-GC, Park et al., 2004)
Exposure limits :TLV-TWA 100 ppm (～433 mg/m³) (ACGIH, NIOSH, MSHA, and OSHA); STEL 125 ppm (541 mg/m³) (ACGIH); IDLH 2000 ppm (NIOSH).
Dielectric constant :2.5（20℃）
Stability :Stable. Incompatible with oxidizing agents. Flammable.
InChIKey :YNQLUTRBYVCPMQ-UHFFFAOYSA-N
LogP :3.03-3.6 at 20℃
CAS DataBase Reference :100-41-4(CAS DataBase Reference)
IARC :2B (Vol. 77) 2000
NIST Chemistry Reference :Ethylbenzene(100-41-4)
EPA Substance Registry System :Ethylbenzene (100-41-4)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501 H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501 H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501 H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, P314, P501
Precautionary statements:	P201 Obtain special instructions before use. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P308+P313 IF exposed or concerned: Get medical advice/attention.