Verapamil C₂₇H₃₈N₂O₄ 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) = 4.80
 Log Kow (Exper. database match) = 3.79
 Exper. Ref: Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 532.15 (Adapted Stein & Brown method)
 Melting Pt (deg C): 227.62 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 4.18E-009 (Modified Grain method)
 MP (exp database): < 25 deg C
 BP (exp database): 243-246 @ 0.01 mm Hg deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 4.471
 log Kow used: 3.79 (expkow database)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 0.01495 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 8.79E-015 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 5.592E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 3.79 (exp database)
 Log Kaw used: -12.444 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 16.234
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 1.0312
 Biowin2 (Non-Linear Model) : 0.9989
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 1.3379 (recalcitrant)
 Biowin4 (Primary Survey Model) : 2.9251 (weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.3385
 Biowin6 (MITI Non-Linear Model): 0.0405
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): -1.1742
 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): 5.57E-007 Pa (4.18E-009 mm Hg)
 Log Koa (Koawin est ): 16.234
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 5.38 
 Octanol/air (Koa) model: 4.21E+003 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 0.995 
 Mackay model : 0.998 
 Octanol/air (Koa) model: 1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 185.8488 E-12 cm3/molecule-sec
 Half-Life = 0.058 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 0.691 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 0.996 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 4.634E+006
 Log Koc: 6.666 

 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 = 2.218 (BCF = 165.3)
 log Kow used: 3.79 (expkow database)

 Volatilization from Water:
 Henry LC: 8.79E-015 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 1.42E+011 hours (5.917E+009 days)
 Half-Life from Model Lake : 1.549E+012 hours (6.455E+010 days)

 Removal In Wastewater Treatment:
 Total removal: 21.47 percent
 Total biodegradation: 0.25 percent
 Total sludge adsorption: 21.22 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 4.74e-008 1.38 1000 
 Water 4.29 4.32e+003 1000 
 Soil 94.7 8.64e+003 1000 
 Sediment 1.05 3.89e+004 0 
 Persistence Time: 7.93e+003 hr