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CAS Number: 88300-07-6
SMILES : CCCCc1c(nc(o1)C)C
CHEM : 5-butyl-2,4-dimethyl-1,3-oxazole
MOL FOR: C9 H15 N1 O1
MOL WT : 153.23
------------------------------ 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) = 3.33
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 205.38 (Adapted Stein & Brown method)
Melting Pt (deg C): 27.63 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.24 (Modified Grain method)
VP (Pa, 25 deg C) : 32 (Modified Grain method)
Subcooled liquid VP: 0.253 mm Hg (25 deg C, Mod-Grain method)
: 33.7 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 105.2
log Kow used: 3.33 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 135.86 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 2.21E-005 atm-m3/mole (2.24E+000 Pa-m3/mole)
Group Method: Incomplete
For Henry LC Comparison Purposes:
User-Entered Henry LC: not entered
Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
HLC: 4.600E-004 atm-m3/mole (4.661E+001 Pa-m3/mole)
VP: 0.24 mm Hg (source: MPBPVP)
WS: 105 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 3.33 (KowWin est)
Log Kaw used: -3.044 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 6.374
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.9470
Biowin2 (Non-Linear Model) : 0.9880
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.9344 (weeks )
Biowin4 (Primary Survey Model) : 3.6901 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.3828
Biowin6 (MITI Non-Linear Model): 0.3706
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -0.3746
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): 33.7 Pa (0.253 mm Hg)
Log Koa (Koawin est ): 6.374
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 8.89E-008
Octanol/air (Koa) model: 5.81E-007
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 3.21E-006
Mackay model : 7.11E-006
Octanol/air (Koa) model: 4.65E-005
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 13.2500 E-12 cm3/molecule-sec
Half-Life = 0.807 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 9.687 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
5.16E-006 (Junge-Pankow, Mackay avg)
4.65E-005 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 2136 L/kg (MCI method)
Log Koc: 3.330 (MCI method)
Koc : 775.7 L/kg (Kow method)
Log Koc: 2.890 (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 = 1.864 (BCF = 73.11 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.5557 days (HL = 0.2782 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.884 (BCF = 76.63)
Log BAF Arnot-Gobas method (upper trophic) = 1.884 (BAF = 76.64)
log Kow used: 3.33 (estimated)
Volatilization from Water:
Henry LC: 2.21E-005 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 34.06 hours (1.419 days)
Half-Life from Model Lake : 475.3 hours (19.81 days)
Removal In Wastewater Treatment:
Total removal: 10.75 percent
Total biodegradation: 0.16 percent
Total sludge adsorption: 9.49 percent
Total to Air: 1.11 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 1.65 19.4 1000
Water 23 360 1000
Soil 73.7 720 1000
Sediment 1.6 3.24e+003 0
Persistence Time: 467 hr