2,2,3,3-Tetrachlorobutane C4H6Cl4 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) = 4.51

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 128.08 (Adapted Stein & Brown method)
 Melting Pt (deg C): -26.34 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 10.9 (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 6.474
 log Kow used: 4.51 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 44.325 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 2.65E-003 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 4.340E-001 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 4.51 (KowWin est)
 Log Kaw used: -0.965 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 5.475
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : -0.1591
 Biowin2 (Non-Linear Model) : 0.0000
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 1.6493 (recalcitrant)
 Biowin4 (Primary Survey Model) : 2.8558 (weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.2697
 Biowin6 (MITI Non-Linear Model): 0.0078
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): -0.0502
 Ready Biodegradability Prediction: NO

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

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
 Vapor pressure (liquid/subcooled): 1.35E+003 Pa (10.1 mm Hg)
 Log Koa (Koawin est ): 5.475
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 2.23E-009 
 Octanol/air (Koa) model: 7.33E-008 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 8.05E-008 
 Mackay model : 1.78E-007 
 Octanol/air (Koa) model: 5.86E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 0.0680 E-12 cm3/molecule-sec
 Half-Life = 157.294 Days (12-hr day; 1.5E6 OH/cm3)
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 1.29E-007 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 224.7
 Log Koc: 2.352 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
 Total Kb for pH > 8 at 25 deg C : 9.158E-010 L/mol-sec
 Kb Half-Life at pH 8: 2.398E+007 years 
 Kb Half-Life at pH 7: 2.398E+008 years 

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
 Log BCF from regression-based method = 2.772 (BCF = 591.5)
 log Kow used: 4.51 (estimated)

 Volatilization from Water:
 Henry LC: 0.00265 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 1.737 hours
 Half-Life from Model Lake : 136.3 hours (5.68 days)

 Removal In Wastewater Treatment:
 Total removal: 73.23 percent
 Total biodegradation: 0.36 percent
 Total sludge adsorption: 47.36 percent
 Total to Air: 25.50 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 1.98 3.78e+003 1000 
 Water 3.04 4.32e+003 1000 
 Soil 90.2 8.64e+003 1000 
 Sediment 4.74 3.89e+004 0 
 Persistence Time: 3.22e+003 hr