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CAS Number: 1321-81-9
SMILES : Oc1cccc(c1C(C)C)C
CHEM : Phenol, 3-methyl(1-methylethyl)-
MOL FOR: C10 H14 O1
MOL WT : 150.22
------------------------------ EPI SUMMARY (v4.11) --------------------------
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 v1.68 estimate) = 3.52
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 236.92 (Adapted Stein & Brown method)
Melting Pt (deg C): 38.10 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.0175 (Modified Grain method)
VP (Pa, 25 deg C) : 2.33 (Modified Grain method)
Subcooled liquid VP: 0.023 mm Hg (25 deg C, Mod-Grain method)
: 3.06 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 286
log Kow used: 3.52 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 920.37 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Phenols
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 1.20E-006 atm-m3/mole (1.22E-001 Pa-m3/mole)
Group Method: 1.62E-006 atm-m3/mole (1.64E-001 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: 1.209E-005 atm-m3/mole (1.225E+000 Pa-m3/mole)
VP: 0.0175 mm Hg (source: MPBPVP)
WS: 286 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 3.52 (KowWin est)
Log Kaw used: -4.309 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 7.829
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.9012
Biowin2 (Non-Linear Model) : 0.9497
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.7739 (weeks )
Biowin4 (Primary Survey Model) : 3.5336 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.3866
Biowin6 (MITI Non-Linear Model): 0.4125
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.0182
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): 3.07 Pa (0.023 mm Hg)
Log Koa (Koawin est ): 7.829
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 9.78E-007
Octanol/air (Koa) model: 1.66E-005
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 3.53E-005
Mackay model : 7.83E-005
Octanol/air (Koa) model: 0.00132
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 107.2489 E-12 cm3/molecule-sec
Half-Life = 0.100 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 1.197 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Reaction With Nitrate Radicals May Be Important!
Fraction sorbed to airborne particulates (phi):
5.68E-005 (Junge-Pankow, Mackay avg)
0.00132 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 1497 L/kg (MCI method)
Log Koc: 3.175 (MCI method)
Koc : 1094 L/kg (Kow method)
Log Koc: 3.039 (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 v3.01):
Log BCF from regression-based method = 1.987 (BCF = 97.03 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.6467 days (HL = 0.2256 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.873 (BCF = 74.63)
Log BAF Arnot-Gobas method (upper trophic) = 1.873 (BAF = 74.63)
log Kow used: 3.52 (estimated)
Volatilization from Water:
Henry LC: 1.62E-006 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 444.2 hours (18.51 days)
Half-Life from Model Lake : 4949 hours (206.2 days)
Removal In Wastewater Treatment:
Total removal: 13.57 percent
Total biodegradation: 0.19 percent
Total sludge adsorption: 13.30 percent
Total to Air: 0.08 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.239 2.39 1000
Water 24.5 360 1000
Soil 74.1 720 1000
Sediment 1.23 3.24e+003 0
Persistence Time: 466 hr