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CAS Number: 40790-46-3
SMILES : CCCCCc1nc2ccccc2nc1C
CHEM : 2-methyl-3-pentylquinoxaline
MOL FOR: C14 H18 N2
MOL WT : 214.31
------------------------------ EPI SUMMARY (v4.00) --------------------------
Physical Property Inputs:
Log Kow (octanol-water): ------
Boiling Point (deg C) : ------
Melting Point (deg C) : ------
Vapor Pressure (mm Hg) : ------
Water Solubility (mg/L): ------
Henry LC (atm-m3/mole) : ------
Log Octanol-Water Partition Coef (SRC):
Log Kow (KOWWIN v1.67 estimate) = 4.18
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 337.66 (Adapted Stein & Brown method)
Melting Pt (deg C): 113.03 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 3.51E-005 (Modified Grain method)
VP (Pa, 25 deg C) : 0.00467 (Modified Grain method)
Subcooled liquid VP: 0.000258 mm Hg (25 deg C, Mod-Grain method)
: 0.0345 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 10.03
log Kow used: 4.18 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 16.29 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 1.08E-006 atm-m3/mole (1.09E-001 Pa-m3/mole)
Group Method: 5.35E-008 atm-m3/mole (5.42E-003 Pa-m3/mole)
For Henry LC Comparison Purposes:
User-Entered Henry LC: not entered
Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
HLC: 9.868E-007 atm-m3/mole (9.999E-002 Pa-m3/mole)
VP: 3.51E-005 mm Hg (source: MPBPVP)
WS: 10 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 4.18 (KowWin est)
Log Kaw used: -4.355 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 8.535
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.8633
Biowin2 (Non-Linear Model) : 0.9509
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.8742 (weeks )
Biowin4 (Primary Survey Model) : 3.6705 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.2419
Biowin6 (MITI Non-Linear Model): 0.1557
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -0.3585
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): 0.0344 Pa (0.000258 mm Hg)
Log Koa (Koawin est ): 8.535
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 8.72E-005
Octanol/air (Koa) model: 8.41E-005
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.00314
Mackay model : 0.00693
Octanol/air (Koa) model: 0.00669
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 11.6522 E-12 cm3/molecule-sec
Half-Life = 0.918 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 11.015 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.00503 (Junge-Pankow, Mackay avg)
0.00669 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 1.186E+004 L/kg (MCI method)
Log Koc: 4.074 (MCI method)
Koc : 4321 L/kg (Kow method)
Log Koc: 3.636 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Rate constants can NOT be estimated for this structure!
Bioaccumulation Estimates (BCFBAF v3.00):
Log BCF from regression-based method = 2.422 (BCF = 264.1 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.6094 days (HL = 0.2458 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.993 (BCF = 98.4)
Log BAF Arnot-Gobas method (upper trophic) = 1.993 (BAF = 98.4)
log Kow used: 4.18 (estimated)
Volatilization from Water:
Henry LC: 1.08E-006 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 795.1 hours (33.13 days)
Half-Life from Model Lake : 8797 hours (366.5 days)
Removal In Wastewater Treatment:
Total removal: 38.92 percent
Total biodegradation: 0.39 percent
Total sludge adsorption: 38.50 percent
Total to Air: 0.04 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 1.44 22 1000
Water 21.5 360 1000
Soil 69.6 720 1000
Sediment 7.54 3.24e+003 0
Persistence Time: 523 hr