3,5-Dimethylpyridine C7H9N 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) = 1.90
 Log Kow (Exper. database match) = 1.78
 Exper. Ref: Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 158.57 (Adapted Stein & Brown method)
 Melting Pt (deg C): -7.55 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 1.42 (Mean VP of Antoine & Grain methods)
 MP (exp database): -6.6 deg C
 BP (exp database): 172 deg C
 VP (exp database): 1.74E+00 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 6.696e+004
 log Kow used: 1.78 (expkow database)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 29835 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 8.59E-006 atm-m3/mole
 Group Method: 6.89E-006 atm-m3/mole
 Exper Database: 6.89E-06 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 2.990E-006 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 1.78 (exp database)
 Log Kaw used: -3.550 (exp database)
 Log Koa (KOAWIN v1.10 estimate): 5.330
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.6513
 Biowin2 (Non-Linear Model) : 0.7317
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.5985 (weeks-months)
 Biowin4 (Primary Survey Model) : 3.5373 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.4674
 Biowin6 (MITI Non-Linear Model): 0.4868
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.4473
 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): 232 Pa (1.74 mm Hg)
 Log Koa (Koawin est ): 5.330
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.29E-008 
 Octanol/air (Koa) model: 5.25E-008 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 4.67E-007 
 Mackay model : 1.03E-006 
 Octanol/air (Koa) model: 4.2E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 2.7936 E-12 cm3/molecule-sec
 Half-Life = 3.829 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 45.945 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 7.51E-007 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 86.58
 Log Koc: 1.937 

 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 = 0.671 (BCF = 4.684)
 log Kow used: 1.78 (expkow database)

 Volatilization from Water:
 Henry LC: 6.89E-006 atm-m3/mole (Henry experimental database)
 Half-Life from Model River: 89.02 hours (3.709 days)
 Half-Life from Model Lake : 1058 hours (44.08 days)

 Removal In Wastewater Treatment:
 Total removal: 2.47 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 1.99 percent
 Total to Air: 0.39 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 2.89 91.9 1000 
 Water 35 900 1000 
 Soil 62 1.8e+003 1000 
 Sediment 0.108 8.1e+003 0 
 Persistence Time: 732 hr