comhdhúil cheimiceach From Wikipedia, the free encyclopedia
Hidreacarbón den fhoirmle CH2=CH2 is ea eitéin, ar a dtugtar eitiléin freisin. le fiuchphointe -104 °C. Gás gan dath, an chéad bhall de shraith na n-ailcéiní. Ceimiceán tábhachtach tionsclaíoch a pholaiméiríonn go dtí poileitiléin. Nuair a bhíonn sí i láthair mar rianghás, brostaíonn sí aibiú torthaí. Is í an hidreacarbón is simplí í.[1]
Substaint cheimiceach | aicme eintiteas ceimiceach |
---|---|
Mais mhóilíneach | 28.031 Da |
Tacsón ina n-aimsítear é | tailís, Actinidia chinensis, Annona cherimola, Brassica rapa, Dianthus caryophyllus, Eschscholzia californica, Malus pumila, Marsilea quadrifolia, Nicotiana tabacum, Regnellidium diphyllum, lus buí Albanach, Pseudomonas syringae, Corynocarpus laevigatus, Mangifera indica, Beta vulgaris, Capsicum annuum, Eucalyptus gomphocephala agus Malus domestica |
Ról | plant growth regulator (en) agus príomh-mheitibilít |
Struchtúr ceimiceach | |
Foirmle cheimiceach | C₂H₄ |
SMILES canónta | Model 2D C=C |
InChI | Model 3D |
Airí | |
Dlús | 0.001178 g/cm³ |
Luas forleata fuaime | 1,309 m/s (−103.8 °C, leacht) 331 m/s (27 °C, gás) |
Móimint leictreach dhépholach | 0 D |
Pointe leáite | −169.2 °C −169 °C |
Fiuchphointe | −103.7 °C −103.77 °C (a 101.325 kPa) |
Eantrópach mólarach caighdeánach | 219.6 J/(mol K) |
Móimint leictreach dhépholach | 0 D |
NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response () |
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