SMILES : Oc(ccc(c1)CC)c1
CHEM : Phenol, 4-ethyl-
CAS NUM: 000123-07-9
MOL FOR: C8 H10 O1
MOL WT : 122.17
------------------------------ EPI SUMMARY (v3.20) --------------------------
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) = 2.55
Log Kow (Exper. database match) = 2.58
Exper. Ref: Hansch,C et al. (1995)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
Boiling Pt (deg C): 210.68 (Adapted Stein & Brown method)
Melting Pt (deg C): 27.13 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.0428 (Modified Grain method)
MP (exp database): 45 deg C
BP (exp database): 217.9 deg C
VP (exp database): 3.72E-02 mm Hg at 25 deg C
Subcooled liquid VP: 0.0587 mm Hg (25 deg C, exp database VP )
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 2346
log Kow used: 2.58 (expkow database)
no-melting pt equation used
Water Sol (Exper. database match) = 4900 mg/L (25 deg C)
Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 5156.1 mg/L
Wat Sol (Exper. database match) = 4900.00
Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)
ECOSAR Class Program (ECOSAR v0.99h):
Class(es) found:
Phenols
Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
Bond Method : 8.21E-007 atm-m3/mole
Group Method: 1.09E-006 atm-m3/mole
Exper Database: 7.73E-07 atm-m3/mole
Henrys LC [VP/WSol estimate using EPI values]: 2.933E-006 atm-m3/mole
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 2.58 (exp database)
Log Kaw used: -4.500 (exp database)
Log Koa (KOAWIN v1.10 estimate): 7.080
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.8599
Biowin2 (Non-Linear Model) : 0.9405
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.9107 (weeks )
Biowin4 (Primary Survey Model) : 3.6426 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.3905
Biowin6 (MITI Non-Linear Model): 0.4657
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.3337
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): 7.83 Pa (0.0587 mm Hg)
Log Koa (Koawin est ): 7.080
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 3.83E-007
Octanol/air (Koa) model: 2.95E-006
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 1.38E-005
Mackay model : 3.07E-005
Octanol/air (Koa) model: 0.000236
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 41.8445 E-12 cm3/molecule-sec
Half-Life = 0.256 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 3.067 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Reaction With Nitrate Radicals May Be Important!
Fraction sorbed to airborne particulates (phi): 2.23E-005 (Junge,Mackay)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (PCKOCWIN v1.66):
Koc : 838.6
Log Koc: 2.924
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
Rate constants can NOT be estimated for this structure!
Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
Log BCF from regression-based method = 1.287 (BCF = 19.35)
log Kow used: 2.58 (expkow database)
Volatilization from Water:
Henry LC: 7.73E-007 atm-m3/mole (Henry experimental database)
Half-Life from Model River: 1259 hours (52.46 days)
Half-Life from Model Lake : 9238 hours (384.9 days)
Removal In Wastewater Treatment:
Total removal: 3.39 percent
Total biodegradation: 0.10 percent
Total sludge adsorption: 3.24 percent
Total to Air: 0.04 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.587 6.13 1000
Water 26.7 360 1000
Soil 72.5 720 1000
Sediment 0.212 3.24e+003 0
Persistence Time: 454 hr