Melting point :-142.4 °C
Boiling point :72 °C(lit.)
Density :0.749 g/mL at 25 °C(lit.)
vapor pressure :232.8 mm Hg ( 37.7 °C)
refractive index :n20/D 1.409(lit.)
Flash point :−11 °F
storage temp. :Store below +30°C.
solubility :In methanol, g/L: 380 at 5 °C, 415 at 10 °C, 500 at 15 °C, 595 at 20 °C, 740 at 25 °C, 1,100 at 30 °C. Miscible at higher temperatures (Kiser et al., 1961).
form :Adhering Crystals
color :White
Odor :Like gasoline.
explosive limit :8.35%
Odor Threshold :1.7ppm
Water Solubility :41.8mg/L(25 ºC)
BRN :1900214
Henry's Law Constant :0.362 atm?m³/mol at 25 °C (Hine and Mookerjee, 1975)
Dielectric constant :2.0（20℃）
LogP :3.37 at 20℃
CAS DataBase Reference :96-37-7(CAS DataBase Reference)
EPA Substance Registry System :Methylcyclopentane (96-37-7)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 H304 May be fatal if swallowed and enters airways Aspiration hazard Category 1 Danger
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P331 Do NOT induce vomiting.