SMILES : OC(Cc(ccc(c1)C)c1)(C)C
CHEM : Benzeneethanol, a,a,4-trimethyl-
CAS NUM: 020834-59-7
MOL FOR: C11 H16 O1
MOL WT : 164.25
------------------------------ 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) = 2.99
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
Boiling Pt (deg C): 246.88 (Adapted Stein & Brown method)
Melting Pt (deg C): 36.62 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.00302 (Modified Grain method)
Subcooled liquid VP: 0.00384 mm Hg (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 597.8
log Kow used: 2.98 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 882.59 mg/L
ECOSAR Class Program (ECOSAR v0.99h):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
Bond Method : 5.61E-007 atm-m3/mole
Group Method: 2.34E-007 atm-m3/mole
Henrys LC [VP/WSol estimate using EPI values]: 1.092E-006 atm-m3/mole
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 2.99 (KowWin est)
Log Kaw used: -4.639 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 7.629
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.5948
Biowin2 (Non-Linear Model) : 0.5268
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.4744 (weeks-months)
Biowin4 (Primary Survey Model) : 3.3203 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.3106
Biowin6 (MITI Non-Linear Model): 0.2469
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -0.5326
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): 0.512 Pa (0.00384 mm Hg)
Log Koa (Koawin est ): 7.629
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 5.86E-006
Octanol/air (Koa) model: 1.04E-005
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.000212
Mackay model : 0.000469
Octanol/air (Koa) model: 0.000835
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 11.0603 E-12 cm3/molecule-sec
Half-Life = 0.967 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 11.605 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi): 0.00034 (Junge,Mackay)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (PCKOCWIN v1.66):
Koc : 103.2
Log Koc: 2.014
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 = 1.598 (BCF = 39.67)
log Kow used: 2.98 (estimated)
Volatilization from Water:
Henry LC: 2.34E-007 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 4814 hours (200.6 days)
Half-Life from Model Lake : 3.51E+004 hours (1463 days)
Removal In Wastewater Treatment:
Total removal: 5.62 percent
Total biodegradation: 0.12 percent
Total sludge adsorption: 5.48 percent
Total to Air: 0.01 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.553 23.2 1000
Water 17.5 900 1000
Soil 81.5 1.8e+003 1000
Sediment 0.39 8.1e+003 0
Persistence Time: 1.18e+003 hr