Melting point :<25 °C
Boiling point :86-88 °C12 mm Hg(lit.)
Density :1.119 g/mL at 25 °C(lit.)
refractive index :n20/D 1.472(lit.)
Flash point :99 °F
storage temp. :2-8°C
solubility :water: soluble(lit.)
form :Liquid
color :Clear colorless to light yellow or slightly pink
Merck :14,6062
BRN :107939
InChIKey :GSLDEZOOOSBFGP-UHFFFAOYSA-N
CAS DataBase Reference :547-65-9(CAS DataBase Reference)
NIST Chemistry Reference :«alpha»-Methylene-«gamma»-butyrolactone(547-65-9)
EPA Substance Registry System :2(3H)-Furanone, dihydro-3-methylene- ( (547-65-9)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
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. P273 Avoid release to the environment. 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.