| Volatilization | The Henry's Law constant for decaldehyde is 1.8x10-3 atm-cu m/mole(1). This Henry's Law constant indicates that decaldehyde 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 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 5 days(SRC). Decaldehyde's Henry's Law constant indicates that volatilization from moist soil surfaces may occur(SRC). Decaldehyde is not expected to volatilize from dry soil surfaces(SRC) based upon a vapor pressure of 0.103 mm Hg(3).
Literature: (1) Zhou X, Mopper K; Environ Sci Technol 24: 1482-5 (1990) (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. Washington, DC: Taylor and Francis, (1989) |
| Solubility | In water 0.00156 mg/L at 25 deg C
Literature: Yalkowsky, S.H., He, Yan, Jain, P. Handbook of Aqueous Solubility Data Second Edition. CRC Press, Boca Raton, FL 2010, p. 739
Literature: #Soluble in ethanol, ether, acetone; slightly soluble in carbon tetrachloride
Literature: Haynes, W.M. (ed.). CRC Handbook of Chemistry and Physics. 95th Edition. CRC Press LLC, Boca Raton: FL 2014-2015, p. 3-142
Literature: #Soluble in 80% alcohol, fixed oils, volatile oils, mineral oil; insoluble in glycerol
Literature: Lewis, R.J. Sr.; Hawley's Condensed Chemical Dictionary 15th Edition. John Wiley & Sons, Inc. New York, NY 2007., p. 371 |
| Soil Adsorption | Using a structure estimation method based on molecular connectivity indices(1), the Koc of decaldehyde can be estimated to be 70(SRC). According to a classification scheme(2), this estimated Koc value suggests that decaldehyde is expected to have very high mobility in soil.
Literature: (1) US EPA; Estimation Program Interface (EPI) Suite. Ver. 4.1. Nov, 2012. Available from, as of May 20, 2015: http://www.epa.gov/oppt/exposure/pubs/episuitedl.htm (2) Swann RL et al; Res Rev 85: 17-28 (1983) |
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