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CAS Number: 19444-84-9
SMILES : C1COC(=O)C1O
CHEM :
MOL FOR: C4 H6 O3
MOL WT : 102.09
------------------------------ EPI SUMMARY (v4.10) --------------------------
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 v1.68 estimate) = -1.84
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 238.05 (Adapted Stein & Brown method)
Melting Pt (deg C): 4.05 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.00699 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 0.932 (Mean VP of Antoine & Grain methods)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 1e+006
log Kow used: -1.84 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 1e+006 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Esters
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 1.60E-005 atm-m3/mole (1.62E+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: 9.390E-010 atm-m3/mole (9.514E-005 Pa-m3/mole)
VP: 0.00699 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: -1.84 (KowWin est)
Log Kaw used: -3.184 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 1.344
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 1.0319
Biowin2 (Non-Linear Model) : 0.9988
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.2737 (days-weeks )
Biowin4 (Primary Survey Model) : 4.0589 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.9652
Biowin6 (MITI Non-Linear Model): 0.9668
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.9401
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): 0.881 Pa (0.00661 mm Hg)
Log Koa (Koawin est ): 1.344
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 3.4E-006
Octanol/air (Koa) model: 5.42E-012
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.000123
Mackay model : 0.000272
Octanol/air (Koa) model: 4.34E-010
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 3.8777 E-12 cm3/molecule-sec
Half-Life = 2.758 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 33.100 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.000198 (Junge-Pankow, Mackay avg)
4.34E-010 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 1 L/kg (MCI method)
Log Koc: 0.000 (MCI method)
Koc : 0.2693 L/kg (Kow method)
Log Koc: -0.570 (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 v3.01):
Log BCF from regression-based method = 0.500 (BCF = 3.162 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -2.9826 days (HL = 0.001041 days)
Log BCF Arnot-Gobas method (upper trophic) = -0.049 (BCF = 0.8933)
Log BAF Arnot-Gobas method (upper trophic) = -0.049 (BAF = 0.8933)
log Kow used: -1.84 (estimated)
Volatilization from Water:
Henry LC: 1.6E-005 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 38 hours (1.584 days)
Half-Life from Model Lake : 499.3 hours (20.8 days)
Removal In Wastewater Treatment:
Total removal: 2.72 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.74 percent
Total to Air: 0.88 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 7.83 66.2 1000
Water 41.1 208 1000
Soil 51 416 1000
Sediment 0.0726 1.87e+003 0
Persistence Time: 236 hr