2-Methyl-2-hexanol C7H16O 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) = 2.20

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 141.69 (Adapted Stein & Brown method)
 Melting Pt (deg C): -36.10 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 2 (Mean VP of Antoine & Grain methods)
 BP (exp database): 143 deg C
 VP (exp database): 2.07E+00 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 4403
 log Kow used: 2.20 (estimated)
 no-melting pt equation used
 Water Sol (Exper. database match) = 9700 mg/L (25 deg C)
 Exper. Ref: BARTON,AFM (1984)

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 5800.4 mg/L
 Wat Sol (Exper. database match) = 9700.00
 Exper. Ref: BARTON,AFM (1984)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 2.34E-005 atm-m3/mole
 Group Method: 2.94E-005 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 6.946E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 2.20 (KowWin est)
 Log Kaw used: -3.019 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 5.219
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.6167
 Biowin2 (Non-Linear Model) : 0.8144
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 3.0286 (weeks )
 Biowin4 (Primary Survey Model) : 3.7957 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.5835
 Biowin6 (MITI Non-Linear Model): 0.7144
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.0234
 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): 276 Pa (2.07 mm Hg)
 Log Koa (Koawin est ): 5.219
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.09E-008 
 Octanol/air (Koa) model: 4.06E-008 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 3.93E-007 
 Mackay model : 8.7E-007 
 Octanol/air (Koa) model: 3.25E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 8.2683 E-12 cm3/molecule-sec
 Half-Life = 1.294 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 15.523 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 6.31E-007 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 9.943
 Log Koc: 0.998 

 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 = 0.996 (BCF = 9.919)
 log Kow used: 2.20 (estimated)

 Volatilization from Water:
 Henry LC: 2.34E-005 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 28.07 hours (1.17 days)
 Half-Life from Model Lake : 396.6 hours (16.53 days)

 Removal In Wastewater Treatment:
 Total removal: 3.72 percent
 Total biodegradation: 0.10 percent
 Total sludge adsorption: 2.36 percent
 Total to Air: 1.27 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 2.78 31.1 1000 
 Water 28.8 360 1000 
 Soil 68.3 720 1000 
 Sediment 0.129 3.24e+003 0 
 Persistence Time: 417 hr