2,2′,3,4,4′,5′-PCB C12H4Cl6 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) = 7.62
 Log Kow (Exper. database match) = 7.44
 Exper. Ref: Rapaport,RA & Eisenreich,SJ (1984)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 396.90 (Adapted Stein & Brown method)
 Melting Pt (deg C): 146.34 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 5.81E-007 (Modified Grain method)
 VP (exp database): 3.80E-06 mm Hg at 25 deg C
 Subcooled liquid VP: 6.02E-005 mm Hg (25 deg C, exp database VP )

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 0.002357
 log Kow used: 7.44 (expkow database)
 no-melting pt equation used
 Water Sol (Exper. database match) = 0.0015 mg/L (20 deg C)
 Exper. Ref: PATIL,GS (1991)

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 0.0016469 mg/L
 Wat Sol (Exper. database match) = 0.00
 Exper. Ref: PATIL,GS (1991)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 6.85E-005 atm-m3/mole
 Group Method: 1.62E-004 atm-m3/mole
 Exper Database: 2.10E-05 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 1.170E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 7.44 (exp database)
 Log Kaw used: -3.066 (exp database)
 Log Koa (KOAWIN v1.10 estimate): 10.506
 Log Koa (experimental database): 9.510

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : -0.5188
 Biowin2 (Non-Linear Model) : 0.0000
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 1.1621 (recalcitrant)
 Biowin4 (Primary Survey Model) : 2.3350 (weeks-months)
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : -0.2916
 Biowin6 (MITI Non-Linear Model): 0.0002
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): -1.9593
 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): 0.00803 Pa (6.02E-005 mm Hg)
 Log Koa (Exp database): 9.510
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 0.000374 
 Octanol/air (Koa) model: 0.000794 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 0.0133 
 Mackay model : 0.029 
 Octanol/air (Koa) model: 0.0597 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 0.1640 E-12 cm3/molecule-sec
 Half-Life = 65.219 Days (12-hr day; 1.5E6 OH/cm3)
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 0.0212 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 1.251E+005
 Log Koc: 5.097 

 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 = 4.827 (BCF = 6.717e+004)
 log Kow used: 7.44 (expkow database)

 Volatilization from Water:
 Henry LC: 2.1E-005 atm-m3/mole (Henry experimental database)
 Half-Life from Model River: 54.9 hours (2.288 days)
 Half-Life from Model Lake : 758.2 hours (31.59 days)

 Removal In Wastewater Treatment:
 Total removal: 93.97 percent
 Total biodegradation: 0.78 percent
 Total sludge adsorption: 93.19 percent
 Total to Air: 0.00 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 0.211 1.57e+003 1000 
 Water 0.748 4.32e+003 1000 
 Soil 42.3 8.64e+003 1000 
 Sediment 56.7 3.89e+004 0 
 Persistence Time: 1.16e+004 hr