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CAS Number: 1775-97-9
SMILES : COc1cc(c(c(c1)OC)C(=O)C=Cc2ccccc2)O
CHEM : (E)-1-(2-hydroxy-4,6-dimethoxyphenyl)-3-phenylprop-2-en-1-one
MOL FOR: C17 H16 O4
MOL WT : 284.31
------------------------------ 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) = 4.12
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 413.84 (Adapted Stein & Brown method)
Melting Pt (deg C): 159.80 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 3.13E-008 (Modified Grain method)
VP (Pa, 25 deg C) : 4.17E-006 (Modified Grain method)
Subcooled liquid VP: 7.55E-007 mm Hg (25 deg C, Mod-Grain method)
: 0.000101 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 17.57
log Kow used: 4.12 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 216.06 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Phenols
Vinyl/Allyl Ketones
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 1.06E-010 atm-m3/mole (1.08E-005 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: 6.664E-010 atm-m3/mole (6.753E-005 Pa-m3/mole)
VP: 3.13E-008 mm Hg (source: MPBPVP)
WS: 17.6 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 4.12 (KowWin est)
Log Kaw used: -8.363 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 12.483
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 1.1267
Biowin2 (Non-Linear Model) : 0.9967
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.5105 (weeks-months)
Biowin4 (Primary Survey Model) : 3.6141 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.5095
Biowin6 (MITI Non-Linear Model): 0.3147
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.1249
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): 0.000101 Pa (7.55E-007 mm Hg)
Log Koa (Koawin est ): 12.483
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 0.0298
Octanol/air (Koa) model: 0.746
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.518
Mackay model : 0.705
Octanol/air (Koa) model: 0.984
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 221.5392 E-12 cm3/molecule-sec [Cis-isomer]
OVERALL OH Rate Constant = 224.1992 E-12 cm3/molecule-sec [Trans-isomer]
Half-Life = 0.579 Hrs (12-hr day; 1.5E6 OH/cm3) [Cis-isomer]
Half-Life = 0.572 Hrs (12-hr day; 1.5E6 OH/cm3) [Trans-isomer]
Ozone Reaction:
OVERALL Ozone Rate Constant = 1.050000 E-17 cm3/molecule-sec [Cis-]
OVERALL Ozone Rate Constant = 2.100000 E-17 cm3/molecule-sec [Trans-]
Half-Life = 1.091 Days (at 7E11 mol/cm3) [Cis-isomer]
Half-Life = 13.097 Hrs (at 7E11 mol/cm3) [Trans-isomer]
Reaction With Nitrate Radicals May Be Important!
Fraction sorbed to airborne particulates (phi):
0.611 (Junge-Pankow, Mackay avg)
0.984 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 2032 L/kg (MCI method)
Log Koc: 3.308 (MCI method)
Koc : 4767 L/kg (Kow method)
Log Koc: 3.678 (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 = 1.798 (BCF = 62.76 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.6988 days (HL = 0.2001 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.906 (BCF = 80.59)
Log BAF Arnot-Gobas method (upper trophic) = 1.906 (BAF = 80.59)
log Kow used: 4.12 (estimated)
Volatilization from Water:
Henry LC: 1.06E-010 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 9.313E+006 hours (3.881E+005 days)
Half-Life from Model Lake : 1.016E+008 hours (4.233E+006 days)
Removal In Wastewater Treatment:
Total removal: 35.83 percent
Total biodegradation: 0.37 percent
Total sludge adsorption: 35.46 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 0.00175 1.11 1000
Water 11.6 900 1000
Soil 87.1 1.8e+003 1000
Sediment 1.33 8.1e+003 0
Persistence Time: 1.81e+003 hr