| Volatilization | The Henry's Law constant for diethyl ketone is 5.0X10-5 atm-cu m/mole(1). This Henry's Law constant indicates that diethyl ketone is expected to volatilize 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 19 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 8.6 days(SRC). diethyl ketone's Henry's Law constant indicates that volatilization from moist soil surfaces may occur(SRC). Diethyl ketone is expected to volatilize from dry soil surfaces(SRC) based upon a vapor pressure of 37.7 mm Hg(3).
Literature: (1) Sander R; Compilation of Henry's Law constants for Inorganic and Organic Species of Potential Importance in Environmental Chemistry. (ver. 3) (1999). Available at http://www.henrys-law.org as of Aug 30, 2007. (2) Lyman WJ et al; Handbook of Chemical Property Estimation Methods. Washington, DC: Amer Chem Soc pp. 15-1 to 15-29 (1990) (3) Daubert TE, Danner RP; Physical and Thermodynamic Properties of Pure Chemicals: Data Compilation. NY, NY: Hemisphere Pub Corp, (1989) |
| Soil Adsorption | The Koc of diethyl ketone is estimated as 82(SRC), using a log Kow of 0.99(1) and a regression-derived equation(2). According to a classification scheme(3), this estimated Koc value suggests that diethyl ketone is expected to have high mobility in soil.
Literature: (1) Hansch C et al; Exploring QSAR. Hydrophobic, Electronic, and Steric Constants. ACS Prof Ref Book. Heller SR, consult. ed., Washington, DC: Amer Chem Soc p. 14 (1995) (2) Lyman WJ et al; Handbook of Chemical Property Estimation Methods. Washington, DC: Amer Chem Soc pp. 4-9 (1990) (3) Swann RL et al; Res Rev 85: 17-28 (1983) |
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