Assertion: gaseous phosgene | /r/HasAspect | density
Facets:
Source sentences:
text: Gaseous phosgene, which has a density about three and one-half times that of air, liquefies at a temperature of 8.2° C (46.8° F); it is usually stored and transported as the liquid under pressure in steel cylinders or as a solution in toluene.
text: Gaseous phosgene, which has a density about three and one-half times that of air, liquefies at a