2-Ethyl-2-hexenal C8H14O structure – Flashcards

Predicted data is generated using the ACD/Labs Percepta Platform – PhysChem Module

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™

 
 Log Octanol-Water Partition Coef (SRC):
 Log Kow (KOWWIN v1.67 estimate) = 2.62

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 176.69 (Adapted Stein & Brown method)
 Melting Pt (deg C): -40.39 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.463 (Mean VP of Antoine & Grain methods)
 BP (exp database): 195 deg C
 VP (exp database): 1.28E+00 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 548.6
 log Kow used: 2.62 (estimated)
 no-melting pt equation used
 Water Sol (Exper. database match) = 586 mg/L (25 deg C)
 Exper. Ref: CHEM INSPECT TEST INST (1992)

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 2976.9 mg/L
 Wat Sol (Exper. database match) = 586.00
 Exper. Ref: CHEM INSPECT TEST INST (1992)

 ECOSAR Class Program (ECOSAR v0.99h):
 Class(es) found:
 Aldehydes

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 2.06E-004 atm-m3/mole
 Group Method: 4.88E-004 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 1.401E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 2.62 (KowWin est)
 Log Kaw used: -2.075 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 4.695
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 1.0805
 Biowin2 (Non-Linear Model) : 1.0000
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 3.2409 (weeks )
 Biowin4 (Primary Survey Model) : 4.1314 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.9033
 Biowin6 (MITI Non-Linear Model): 0.9517
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.4862
 Ready Biodegradability Prediction: YES

Hydrocarbon Biodegradation (BioHCwin v1.01):
 Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
 Vapor pressure (liquid/subcooled): 171 Pa (1.28 mm Hg)
 Log Koa (Koawin est ): 4.695
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.76E-008 
 Octanol/air (Koa) model: 1.22E-008 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 6.35E-007 
 Mackay model : 1.41E-006 
 Octanol/air (Koa) model: 9.73E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 49.9902 E-12 cm3/molecule-sec
 Half-Life = 0.214 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 2.568 Hrs
 Ozone Reaction:
 OVERALL Ozone Rate Constant = 1.183000 E-17 cm3/molecule-sec
 Half-Life = 0.969 Days (at 7E11 mol/cm3)
 Half-Life = 23.249 Hrs
 Fraction sorbed to airborne particulates (phi): 1.02E-006 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 54.25
 Log Koc: 1.734 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
 Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
 Log BCF from regression-based method = 1.319 (BCF = 20.84)
 log Kow used: 2.62 (estimated)

 Volatilization from Water:
 Henry LC: 0.000488 atm-m3/mole (estimated by Group SAR Method)
 Half-Life from Model River: 2.494 hours
 Half-Life from Model Lake : 121.4 hours (5.059 days)

 Removal In Wastewater Treatment:
 Total removal: 20.51 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 2.99 percent
 Total to Air: 17.43 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 1.06 4.21 1000 
 Water 24.8 360 1000 
 Soil 73.9 720 1000 
 Sediment 0.211 3.24e+003 0 
 Persistence Time: 304 hr