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CAS Num: 004077-47-8
SMILES : O=C(C(OC)=C(O1)C)C1C
CHEM : 3(2H)-Furanone, 4-methoxy-2,5-dimethyl-
MOL FOR: C7 H10 O3
MOL WT : 142.16
------------------------------ EPI SUMMARY (v4.00) --------------------------
Physical Property Inputs:
Water Solubility (mg/L): ------
Vapor Pressure (mm Hg) : ------
Henry LC (atm-m3/mole) : ------
Log Kow (octanol-water): ------
Boiling Point (deg C) : ------
Melting Point (deg C) : ------
Log Octanol-Water Partition Coef (SRC):
Log Kow (KOWWIN v1.67 estimate) = 0.62
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
Boiling Pt (deg C): 214.32 (Adapted Stein & Brown method)
Melting Pt (deg C): 30.34 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.217 (Modified Grain method)
VP (Pa, 25 deg C) : 28.9 (Modified Grain method)
Subcooled liquid VP: 0.242 mm Hg (25 deg C, Mod-Grain method)
: 32.2 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 2.441e+004
log Kow used: 0.62 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 6.918e+005 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Vinyl/Allyl Ketones
Vinyl/Allyl Ethers
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 7.81E-006 atm-m3/mole (7.91E-001 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: 1.663E-006 atm-m3/mole (1.685E-001 Pa-m3/mole)
VP: 0.217 mm Hg (source: MPBPVP)
WS: 2.44E+004 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 0.62 (KowWin est)
Log Kaw used: -3.496 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 4.116
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : -0.0080
Biowin2 (Non-Linear Model) : 0.0018
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.8452 (weeks )
Biowin4 (Primary Survey Model) : 3.6009 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.4236
Biowin6 (MITI Non-Linear Model): 0.2630
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -0.2696
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): 32.3 Pa (0.242 mm Hg)
Log Koa (Koawin est ): 4.116
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 9.3E-008
Octanol/air (Koa) model: 3.21E-009
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 3.36E-006
Mackay model : 7.44E-006
Octanol/air (Koa) model: 2.57E-007
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 174.4863 E-12 cm3/molecule-sec
Half-Life = 0.061 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 0.736 Hrs
Ozone Reaction:
OVERALL Ozone Rate Constant = 28.437500 E-17 cm3/molecule-sec
Half-Life = 0.040 Days (at 7E11 mol/cm3)
Half-Life = 58.030 Min
Fraction sorbed to airborne particulates (phi):
5.4E-006 (Junge-Pankow, Mackay avg)
2.57E-007 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 10 L/kg (MCI method)
Log Koc: 1.000 (MCI method)
Koc : 19.16 L/kg (Kow method)
Log Koc: 1.282 (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) = -1.1908 days (HL = 0.06444 days)
Log BCF Arnot-Gobas method (upper trophic) = 0.082 (BCF = 1.208)
Log BAF Arnot-Gobas method (upper trophic) = 0.082 (BAF = 1.208)
log Kow used: 0.62 (estimated)
Volatilization from Water:
Henry LC: 7.81E-006 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 90.6 hours (3.775 days)
Half-Life from Model Lake : 1088 hours (45.35 days)
Removal In Wastewater Treatment:
Total removal: 2.29 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.76 percent
Total to Air: 0.44 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.0882 0.584 1000
Water 40.4 360 1000
Soil 59.5 720 1000
Sediment 0.0909 3.24e+003 0
Persistence Time: 356 hr