Melting point :−8 °C(lit.)
Boiling point :62-64 °C10 mm Hg(lit.)
Density :0.898 g/mL at 25 °C(lit.)
vapor pressure :1.138hPa at 20℃
refractive index :n20/D 1.444(lit.)
Flash point :145 °F
color :Colorless mobile liquid
Water Solubility :505mg/L at 20℃
LogP :2.9 at 23℃
CAS DataBase Reference :3891-33-6(CAS DataBase Reference)
NIST Chemistry Reference :1,4-Bis-(vinyloxy)-butane(3891-33-6)
EPA Substance Registry System :Butane, 1,4-bis(ethenyloxy)- (3891-33-6)

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 H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
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.