Ethylene Oxide

CAS RN:75-21-8

Other Properties

Liq is lighter than water, vapor is heavier than air
Heat of solution in water: 142.57 kJ/kg @ 25 deg C
Can react with oxidizing materials
Ratio of specific heats of vapor (gas): 1.212
Heat of fusion: 5.17 kJ.mol at -112.5 deg C
Ionization potential: 10.56 eV
Standard Enthalpy of Formation at 298.15 K: -78.0 kJ/mol /liquid/; -52.6 kJ/mol (gas)
Thermal conductivity: 0.15 W/m.K at 20 deg C (liquid)
Henry's Law constant = 1.48X10-4 atm-cu m/mol at 25 deg C
Hydroxyl radical reaction rate constant = 7.6X10-14 cu cm/molec-sec at 25 deg C
Find more information on this substance at: Hazardous Substances Data Bank , TOXNET , PubMed