2,6-xylidine C8H11N 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) = 2.17
 Log Kow (Exper. database match) = 1.84
 Exper. Ref: BioByte (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 223.42 (Adapted Stein & Brown method)
 Melting Pt (deg C): 29.14 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.169 (Mean VP of Antoine & Grain methods)
 MP (exp database): 11.2 deg C
 BP (exp database): 215 deg C
 VP (exp database): 1.30E-01 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 2666
 log Kow used: 1.84 (expkow database)
 no-melting pt equation used
 Water Sol (Exper. database match) = 8240 mg/L (25 deg C)
 Exper. Ref: HUYSKENS,P ET AL. (1975)

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 2175.5 mg/L
 Wat Sol (Exper. database match) = 8240.00
 Exper. Ref: HUYSKENS,P ET AL. (1975)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 2.32E-006 atm-m3/mole
 Group Method: 2.50E-006 atm-m3/mole
 Exper Database: 2.52E-06 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 1.011E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 1.84 (exp database)
 Log Kaw used: -3.987 (exp database)
 Log Koa (KOAWIN v1.10 estimate): 5.827
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.5654
 Biowin2 (Non-Linear Model) : 0.6307
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.6467 (weeks-months)
 Biowin4 (Primary Survey Model) : 3.4275 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.3015
 Biowin6 (MITI Non-Linear Model): 0.2272
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): -0.4716
 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): 17.3 Pa (0.13 mm Hg)
 Log Koa (Koawin est ): 5.827
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.73E-007 
 Octanol/air (Koa) model: 1.65E-007 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 6.25E-006 
 Mackay model : 1.38E-005 
 Octanol/air (Koa) model: 1.32E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 162.0353 E-12 cm3/molecule-sec
 Half-Life = 0.066 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 0.792 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 1E-005 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 122.4
 Log Koc: 2.088 

 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 = 0.717 (BCF = 5.21)
 log Kow used: 1.84 (expkow database)

 Volatilization from Water:
 Henry LC: 2.52E-006 atm-m3/mole (Henry experimental database)
 Half-Life from Model River: 256.9 hours (10.7 days)
 Half-Life from Model Lake : 2895 hours (120.6 days)

 Removal In Wastewater Treatment:
 Total removal: 2.26 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 2.03 percent
 Total to Air: 0.14 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 0.112 1.58 1000 
 Water 34.6 900 1000 
 Soil 65.2 1.8e+003 1000 
 Sediment 0.113 8.1e+003 0 
 Persistence Time: 733 hr