324 °F at 760 mmHg decomposes (EPA, 1998)
Decomposes (155ºC)
61 °C @ 20 MM HG
BP: 162 °C @ 760 MM HG (DECOMP); 150 °C @ 750 MM HG (DECOMP); DIPOLE MOMENT: 3.8
323 °F (decomposes)
Density
1.146 at 68 °F (EPA, 1998) - Denser than water; will sink
1.1460 @ 20 °C/4 °C
Density (at 20 °C): 1.1 g/ml
Relative density of the vapour/air-mixture at 20 °C (air = 1): 1.0
1.15
Physical Description
Beta-propiolactone appears as a colorless liquid with a slightly sweetish, pungent odor. Used as an intermediate in organic synthesis; disinfectant, sterilant for blood plasma, tissue grafts, vaccines, enzymes and surgical instruments. (EPA, 1998)
Colorless liquid with a slightly sweet odor; [NIOSH]
COLOURLESS LIQUID WITH PUNGENT ODOUR.
Colorless liquid with a slightly sweet odor.