Diffusivities were determined at 16.5 to 50C. It was found that the results could be described by:

D (cm2/s) = 1.05 x 10-2 exp[-6.35(kcal/mol)/RT]

G.Sicking, H.Buchold: Zeitschrift für Naturforschung, 1971, 26a[12], 1973-80