Melting point :−51 °C(lit.)
Boiling point :130-131 °C(lit.)
Density :0.996 g/mL at 25 °C
refractive index :n20/D 1.437(lit.)
Flash point :87 °F
storage temp. :Store at room temperature
Appearance :Colorless to light yellow Liquid
Sensitive :Air Sensitive
InChI :1S/C5H8O/c6-5-3-1-2-4-5/h1-4H2/i3D2,4D2
InChIKey :BGTOWKSIORTVQH-KHORGVISSA-N
SMILES :[2H]C1([2H])CCC([2H])([2H])C1=O

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 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310 H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.