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CAS Number: 6890-26-2
SMILES : c12OCOc1cc(COC(=O)CC)cc2
CHEM : 1,3-benzodioxol-5-ylmethyl propanoate
MOL FOR: C11 H12 O4
MOL WT : 208.22
------------------------------ 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) = 2.63
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 300.22 (Adapted Stein & Brown method)
Melting Pt (deg C): 77.65 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.00061 (Modified Grain method)
VP (Pa, 25 deg C) : 0.0813 (Modified Grain method)
Subcooled liquid VP: 0.00193 mm Hg (25 deg C, Mod-Grain method)
: 0.257 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 223.5
log Kow used: 2.63 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 27.558 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Esters
Benzodioxoles
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 2.18E-008 atm-m3/mole (2.21E-003 Pa-m3/mole)
Group Method: 2.81E-005 atm-m3/mole (2.85E+000 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: 7.478E-007 atm-m3/mole (7.577E-002 Pa-m3/mole)
VP: 0.00061 mm Hg (source: MPBPVP)
WS: 224 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 2.63 (KowWin est)
Log Kaw used: -6.050 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 8.680
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 1.0864
Biowin2 (Non-Linear Model) : 0.9998
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.7630 (weeks )
Biowin4 (Primary Survey Model) : 3.9305 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.8654
Biowin6 (MITI Non-Linear Model): 0.9260
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.8967
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): 0.257 Pa (0.00193 mm Hg)
Log Koa (Koawin est ): 8.680
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.17E-005
Octanol/air (Koa) model: 0.000117
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.000421
Mackay model : 0.000932
Octanol/air (Koa) model: 0.00931
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 50.3601 E-12 cm3/molecule-sec
Half-Life = 0.212 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 2.549 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.000676 (Junge-Pankow, Mackay avg)
0.00931 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 55.72 L/kg (MCI method)
Log Koc: 1.746 (MCI method)
Koc : 266.7 L/kg (Kow method)
Log Koc: 2.426 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 3.416E-001 L/mol-sec
Kb Half-Life at pH 8: 23.485 days
Kb Half-Life at pH 7: 234.845 days
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.00):
Log BCF from regression-based method = 1.405 (BCF = 25.4 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -1.2628 days (HL = 0.0546 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.156 (BCF = 14.32)
Log BAF Arnot-Gobas method (upper trophic) = 1.156 (BAF = 14.32)
log Kow used: 2.63 (estimated)
Volatilization from Water:
Henry LC: 2.81E-005 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 31.54 hours (1.314 days)
Half-Life from Model Lake : 465 hours (19.38 days)
Removal In Wastewater Treatment:
Total removal: 4.98 percent
Total biodegradation: 0.10 percent
Total sludge adsorption: 3.38 percent
Total to Air: 1.49 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.675 5.1 1000
Water 29.9 360 1000
Soil 69.3 720 1000
Sediment 0.123 3.24e+003 0
Persistence Time: 396 hr