| abstract |
A composition comprising: a) a molecular encapsulation agent within which one or more cyclopropenes of the formula is encapsulated: ** Formula ** wherein R is hydrogen or a substituted or unsubstituted alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl, phenyl, or a naphthyl group; where the substituents, when present, are independently halogen, alkoxy, or substituted or unsubstituted phenoxy, and b) one or more hygroscopic or deliquescent materials selected from one or more polyethers, one or more polyols selected from the group consisting of glycerol, erythritol, xylitol , mannitol, maltitol and sorbitol or mixtures thereof. |