Assertion: gaseous phosgene | /r/HasProperty | supplanted by more handled reagents
Facets:
value: more easily
type: MANNER
value: increasingly
type: DEGREE
Source sentences:
text: In the laboratory for small-scale reactions, gaseous phosgene has increasingly been supplanted by more easily handled reagents that effect comparable transformations: Diphosgene (chloroformic acid ester), which is a liquid at room temperature, or triphosgene, a crystalline substance.