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CAS Number: 607-80-7
SMILES : c1c(OCO2)c2ccc1C3OCC7C(c4ccc(OCO5)c5c4)OCC37
CHEM : Sesamin
MOL FOR: C20 H18 O6
MOL WT : 354.36
------------------------------ 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) = 3.45
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 461.91 (Adapted Stein & Brown method)
Melting Pt (deg C): 194.80 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 2.57E-008 (Modified Grain method)
VP (Pa, 25 deg C) : 3.42E-006 (Modified Grain method)
MP (exp database): 124 deg C
Subcooled liquid VP: 2.48E-007 mm Hg (25 deg C, Mod-Grain method)
: 3.31E-005 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 6.555
log Kow used: 3.45 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 0.090419 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Benzodioxoles
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 5.09E-015 atm-m3/mole (5.15E-010 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: 1.828E-009 atm-m3/mole (1.852E-004 Pa-m3/mole)
VP: 2.57E-008 mm Hg (source: MPBPVP)
WS: 6.55 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 3.45 (KowWin est)
Log Kaw used: -12.682 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 16.132
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.4118
Biowin2 (Non-Linear Model) : 0.5278
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.1663 (months )
Biowin4 (Primary Survey Model) : 3.6255 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.5754
Biowin6 (MITI Non-Linear Model): 0.3329
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.1261
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): 3.31E-005 Pa (2.48E-007 mm Hg)
Log Koa (Koawin est ): 16.132
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 0.0907
Octanol/air (Koa) model: 3.33E+003
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.766
Mackay model : 0.879
Octanol/air (Koa) model: 1
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 128.6536 E-12 cm3/molecule-sec
Half-Life = 0.083 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 0.998 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.823 (Junge-Pankow, Mackay avg)
1 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 1.604E+004 L/kg (MCI method)
Log Koc: 4.205 (MCI method)
Koc : 580.8 L/kg (Kow method)
Log Koc: 2.764 (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 = 1.945 (BCF = 88.2 L/kg wet-wt)
Log Biotransformation Half-life (HL) = 0.1614 days (HL = 1.45 days)
Log BCF Arnot-Gobas method (upper trophic) = 2.304 (BCF = 201.1)
Log BAF Arnot-Gobas method (upper trophic) = 2.304 (BAF = 201.2)
log Kow used: 3.45 (estimated)
Volatilization from Water:
Henry LC: 5.09E-015 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 2.165E+011 hours (9.022E+009 days)
Half-Life from Model Lake : 2.362E+012 hours (9.842E+010 days)
Removal In Wastewater Treatment:
Total removal: 11.94 percent
Total biodegradation: 0.17 percent
Total sludge adsorption: 11.77 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 3.83e-008 2 1000
Water 7.46 1.44e+003 1000
Soil 83.4 2.88e+003 1000
Sediment 9.13 1.3e+004 0
Persistence Time: 3.15e+003 hr