beta-Propiolactone Properties, Molecular Formula, Applications - WorldOfChemicals

beta-Propiolactone Properties


Molecule 3D Structure Image
Molecule Structure Image



?-Propiolactone is an organic compound of the lactone family, with a four-membered ring. It is a clear, colorless liquid with a slightly sweet odor, highly soluble in water and miscible with ethanol, acetone, diethyl ether and chloroform.The word propiolactone usually refers to this compound, although it may also refer to ?-propiolactone.?-Propiolactone is "reasonably expected to be a human carcinogen" (IARC, 1999).It was once widely used in the manufacture of acrylic acid and its esters, but its use has been mostly phased out in favor of safer and less expensive alternatives. ?-Propiolactone is a disinfectant and has been used to sterilize blood plasma, vaccines, tissue grafts, surgical instruments, and enzymes The principal current use of propiolactone is an intermediate in the synthesis

Chemical Properties

Appearance Colorless liquid
Boiling Point 162 °C
CAS Number 57-57-8
ChEBI 49073
Chemical Composition Diethyl ether;Acetonitrile;Carbon tetrachloride;Cyclohexane;Lacqer Thinner;1,8-Diazabicyclo[5.4.0]undec-7-ene;Vanadyl acetylacetonate;1,3-Propanediol;3-Bromopropionic acid
Density 1.146 g/cm3
IUPAC Name 2-Oxetanone
Melting Point -33.4 °C
Molar Mass 72.06 g/mol
Molecular Formula C3H4O2
NFPA 704 H-0,F-2,R-0,C-NA
RTECS Number RQ7350000
Refractive n20/D 1.412(lit.)
Solubility 37 g/100 mL
Synonyms Propiolactone;