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CAS Number: 24381-49-5
SMILES : OCCN(C)(C)(C)
CHEM : 2,4-dioxo-1H-pyrimidine-6-carboxylate; 2-hydroxyethyl(trimethyl)azani
um
MOL FOR: C5 H14 N1 O1
MOL WT : 104.17
------------------------------ EPI SUMMARY (v4.00) --------------------------
Henry LC (atm-m3/mole) : ------
Log Kow (octanol-water): ------
Boiling Point (deg C) : ------
Water Solubility (mg/L): ------
Physical Property Inputs:
Vapor Pressure (mm Hg) : ------
Melting Point (deg C) : ------
Log Octanol-Water Partition Coef (SRC):
Log Kow (KOWWIN v1.67 estimate) = -5.16
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 364.56 (Adapted Stein & Brown method)
Melting Pt (deg C): 134.66 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 1.57E-007 (Modified Grain method)
VP (Pa, 25 deg C) : 2.1E-005 (Modified Grain method)
Subcooled liquid VP: 1.99E-006 mm Hg (25 deg C, Mod-Grain method)
: 0.000265 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 1e+006
log Kow used: -5.16 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 67665 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 2.03E-016 atm-m3/mole (2.05E-011 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: 2.152E-014 atm-m3/mole (2.180E-009 Pa-m3/mole)
VP: 1.57E-007 mm Hg (source: MPBPVP)
WS: 1E+006 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: -5.16 (KowWin est)
Log Kaw used: -14.081 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 8.921
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.8567
Biowin2 (Non-Linear Model) : 0.9338
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.1289 (weeks )
Biowin4 (Primary Survey Model) : 3.8269 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.6542
Biowin6 (MITI Non-Linear Model): 0.8448
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.3444
Ready Biodegradability Prediction: YES
Hydrocarbon Biodegradation (BioHCwin v1.01):
Structure incompatible with current estimation method!
Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 0.000265 Pa (1.99E-006 mm Hg)
Log Koa (Koawin est ): 8.921
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 0.0113
Octanol/air (Koa) model: 0.000205
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.29
Mackay model : 0.475
Octanol/air (Koa) model: 0.0161
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 18.6393 E-12 cm3/molecule-sec
Half-Life = 0.574 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 6.886 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.382 (Junge-Pankow, Mackay avg)
0.0161 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 1.063 L/kg (MCI method)
Log Koc: 0.026 (MCI method)
Koc : 0.003736 L/kg (Kow method)
Log Koc: -2.428 (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 = 0.500 (BCF = 3.162 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -2.6666 days (HL = 0.002155 days)
Log BCF Arnot-Gobas method (upper trophic) = -0.049 (BCF = 0.893)
Log BAF Arnot-Gobas method (upper trophic) = -0.049 (BAF = 0.893)
log Kow used: -5.16 (estimated)
Volatilization from Water:
Henry LC: 2.03E-016 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 2.944E+012 hours (1.227E+011 days)
Half-Life from Model Lake : 3.211E+013 hours (1.338E+012 days)
Removal In Wastewater Treatment:
Total removal: 1.85 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.75 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 6.94e-009 13.8 1000
Water 37.7 360 1000
Soil 62.3 720 1000
Sediment 0.0706 3.24e+003 0
Persistence Time: 588 hr