cis-2,6-Dimethyl-2,6-octadiene C10H18 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) = 4.93

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 166.10 (Adapted Stein & Brown method)
 Melting Pt (deg C): -62.73 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 2.5 (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 1.51
 log Kow used: 4.93 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 37.357 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 1.02E+000 atm-m3/mole
 Group Method: 3.54E-001 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 3.012E-001 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 4.93 (KowWin est)
 Log Kaw used: 1.620 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 3.310
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.6817
 Biowin2 (Non-Linear Model) : 0.7399
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.8936 (weeks )
 Biowin4 (Primary Survey Model) : 3.6483 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.4137
 Biowin6 (MITI Non-Linear Model): 0.3842
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.4227
 Ready Biodegradability Prediction: NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
 LOG BioHC Half-Life (days) : 0.2218
 BioHC Half-Life (days) : 1.6664

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
 Vapor pressure (liquid/subcooled): 304 Pa (2.28 mm Hg)
 Log Koa (Koawin est ): 3.310
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 9.87E-009 
 Octanol/air (Koa) model: 5.01E-010 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 3.56E-007 
 Mackay model : 7.89E-007 
 Octanol/air (Koa) model: 4.01E-008 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 176.6416 E-12 cm3/molecule-sec
 Half-Life = 0.061 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 0.727 Hrs
 Ozone Reaction:
 OVERALL Ozone Rate Constant = 86.000000 E-17 cm3/molecule-sec
 Half-Life = 0.013 Days (at 7E11 mol/cm3)
 Half-Life = 19.189 Min
 Reaction With Nitrate Radicals May Be Important!
 Fraction sorbed to airborne particulates (phi): 5.73E-007 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 1269
 Log Koc: 3.103 

 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 = 3.100 (BCF = 1258)
 log Kow used: 4.93 (estimated)

 Volatilization from Water:
 Henry LC: 0.354 atm-m3/mole (estimated by Group SAR Method)
 Half-Life from Model River: 1.202 hours
 Half-Life from Model Lake : 111.7 hours (4.654 days)

 Removal In Wastewater Treatment (recommended maximum 95%):
 Total removal: 99.50 percent
 Total biodegradation: 0.15 percent
 Total sludge adsorption: 46.80 percent
 Total to Air: 52.55 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 0.106 0.262 1000 
 Water 24.7 360 1000 
 Soil 50.9 720 1000 
 Sediment 24.3 3.24e+003 0 
 Persistence Time: 244 hr