Boiling point :75-76 °C(lit.)
Density :0.781 g/mL at 25 °C(lit.)
refractive index :n20/D 1.435(lit.)
Flash point :-18 °C
storage temp. :2-8°C
form :clear liquid
color :Colorless to Almost colorless
InChI :1S/C6H10/c1-6-4-2-3-5-6/h1-5H2
InChIKey :NFJPEKRRHIYYES-UHFFFAOYSA-N
SMILES :C=C1CCCC1
EPA Substance Registry System :Cyclopentane, methylene- (1528-30-9)

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. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P331 Do NOT induce vomiting. P370+P378 In case of fire: Use … for extinction. P403+P235 Store in a well-ventilated place. Keep cool. P405 Store locked up. P501 Dispose of contents/container to..…