| Boiling Point | | Degree | Reference |
|---|
| 103 °C peer reviewed | |
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| Volatilization | The Henry's Law constant for pentanal is 1.47X10-4 atm-cu m/mole(1). This Henry's Law constant indicates that pentanal 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 8 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). Pentanal's Henry's Law constant indicates that volatilization from moist soil surfaces may occur(SRC). Pentanal is expected to volatilize from dry soil surfaces(SRC) based upon a vapor pressure of 26 mm Hg(3).
Literature: (1) Buttery RG et al; J Agric Food Chem 17: 385-9 (1969) (2) Lyman WJ et al; Handbook of Chemical Property Estimation Methods. Washington, DC: Amer Chem Soc pp. 15-1 to 15-29 (1990) (3) Flick EW; Industrial Solvents Handbook 4th ed. p. 511 Noyes Publishing Co. (1991) |
| Soil Adsorption | The Koc of pentanal is estimated as 25(SRC), using a water solubility of 1.17X10+4 mg/L(1) and a regression-derived equation(2). According to a classification scheme(3), this estimated Koc value suggests that pentanal is expected to have very high mobility in soil.
Literature: (1) Yalkowsky SH, Dannenfelser RM; Aquasol Database of Aqueous Solubility. V5 College of Pharmacy, University of Arizona, Tucson, AZ PC Version (1992) (2) Lyman WJ et al; Handbook of Chemical Property Estimation Methods. Washington, DC: Amer Chem Soc pp. 4-5 (1990) (3) Swann RL et al; Res Rev 85: 17-28 (1983) |
| Vapor Pressure | | Pressure | Reference |
|---|
| 26 mm Hg at 20 deg C | Flick, E.W. (ed.). Industrial Solvents Handbook 4 th ed. Noyes Data Corporation., Park Ridge, NJ., 1991., p. 1675 |
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