Volatilization | The Henry's Law constant for vinyl fluoride is estimated as 0.12 atm-cu m/mole(SRC) using a fragment constant estimation method(1). This Henry's Law constant indicates that vinyl fluoride is expected to volatilize rapidly from water surfaces(2). Based on this Henry's Law constant, the volatilization half-life from a model river (1 m deep, flowing 1 m/sec, wind velocity of 3 m/sec)(2) is estimated as 2 hours(SRC). The volatilization half-life from a model lake (1 m deep, flowing 0.05 m/sec, wind velocity of 0.5 m/sec)(2) is estimated as 3 days(SRC). Vinyl fluoride's Henry's Law constant indicates that volatilization from moist soil surfaces may occur(SRC). The potential for volatilization of vinyl fluoride from dry soil surfaces may exist(SRC) based upon an extrapolated vapor pressure of 1.98X10+4 mm Hg(3). |
Soil Adsorption | Using a structure estimation method based on molecular connectivity indices(1), the Koc for vinyl fluoride can be estimated to be 24(SRC). According to a classification scheme(2), this estimated Koc value suggests that vinyl fluoride is expected to have very high mobility in soil. |