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CAS Number: 18256-48-9
SMILES : O=C(c1cc(c(cc1)O)OC)CO
CHEM : Ethanone, 2-hydroxy-1-(4-hydroxy-3-methoxyphenyl)-
MOL FOR: C9 H10 O4
MOL WT : 182.18
------------------------------ 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) = -0.45
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 333.87 (Adapted Stein & Brown method)
Melting Pt (deg C): 111.38 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 2.12E-006 (Modified Grain method)
VP (Pa, 25 deg C) : 0.000283 (Modified Grain method)
Subcooled liquid VP: 1.5E-005 mm Hg (25 deg C, Mod-Grain method)
: 0.00201 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 4.184e+005
log Kow used: -0.45 (estimated)
no-melting pt equation used
Water Sol (Exper. database match) = 3000 mg/L (20 deg C)
Exper. Ref: BEILSTEIN
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 1e+006 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Phenols
a-,b-Ketone alcohol
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 9.42E-012 atm-m3/mole (9.54E-007 Pa-m3/mole)
Group Method: 2.34E-013 atm-m3/mole (2.37E-008 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: 1.215E-012 atm-m3/mole (1.231E-007 Pa-m3/mole)
VP: 2.12E-006 mm Hg (source: MPBPVP)
WS: 4.18E+005 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: -0.45 (KowWin est)
Log Kaw used: -9.414 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 8.964
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 1.0741
Biowin2 (Non-Linear Model) : 0.9858
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.9323 (weeks )
Biowin4 (Primary Survey Model) : 3.8089 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.7830
Biowin6 (MITI Non-Linear Model): 0.8487
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.4958
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): 0.002 Pa (1.5E-005 mm Hg)
Log Koa (Koawin est ): 8.964
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 0.0015
Octanol/air (Koa) model: 0.000226
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.0514
Mackay model : 0.107
Octanol/air (Koa) model: 0.0178
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 29.8410 E-12 cm3/molecule-sec
Half-Life = 0.358 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 4.301 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Reaction With Nitrate Radicals May Be Important!
Fraction sorbed to airborne particulates (phi):
0.0793 (Junge-Pankow, Mackay avg)
0.0178 (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 : 4.821 L/kg (Kow method)
Log Koc: 0.683 (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) = -2.2845 days (HL = 0.005194 days)
Log BCF Arnot-Gobas method (upper trophic) = -0.046 (BCF = 0.8999)
Log BAF Arnot-Gobas method (upper trophic) = -0.046 (BAF = 0.8999)
log Kow used: -0.45 (estimated)
Volatilization from Water:
Henry LC: 9.42E-012 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 8.389E+007 hours (3.495E+006 days)
Half-Life from Model Lake : 9.152E+008 hours (3.813E+007 days)
Removal In Wastewater Treatment:
Total removal: 1.85 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.76 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 0.000213 8.6 1000
Water 30.6 360 1000
Soil 69.4 720 1000
Sediment 0.0688 3.24e+003 0
Persistence Time: 640 hr