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CAS Number: 27400-71-1
SMILES : C=CC(=CC=CC(C)C)C
CHEM : (Z)-OCIMENE
MOL FOR: C10 H16
MOL WT : 136.24
------------------------------ 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) = 4.67
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 157.37 (Adapted Stein & Brown method)
Melting Pt (deg C): -66.68 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 3.7 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 493 (Mean VP of Antoine & Grain methods)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 2.597
log Kow used: 4.67 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 38.841 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 4.26E-001 atm-m3/mole (4.32E+004 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: 2.554E-001 atm-m3/mole (2.588E+004 Pa-m3/mole)
VP: 3.7 mm Hg (source: MPBPVP)
WS: 2.6 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 4.67 (KowWin est)
Log Kaw used: 1.241 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 3.429
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.6827
Biowin2 (Non-Linear Model) : 0.7454
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.8981 (weeks )
Biowin4 (Primary Survey Model) : 3.6512 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.2945
Biowin6 (MITI Non-Linear Model): 0.2179
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -0.0096
Ready Biodegradability Prediction: NO
Hydrocarbon Biodegradation (BioHCwin v1.01):
LOG BioHC Half-Life (days) : 0.4503
BioHC Half-Life (days) : 2.8202
Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 452 Pa (3.39 mm Hg)
Log Koa (Koawin est ): 3.429
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 6.64E-009
Octanol/air (Koa) model: 6.59E-010
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 2.4E-007
Mackay model : 5.31E-007
Octanol/air (Koa) model: 5.27E-008
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 171.0506 E-12 cm3/molecule-sec [Cis-isomer]
OVERALL OH Rate Constant = 177.5106 E-12 cm3/molecule-sec [Trans-isomer]
Half-Life = 0.750 Hrs (12-hr day; 1.5E6 OH/cm3) [Cis-isomer]
Half-Life = 0.723 Hrs (12-hr day; 1.5E6 OH/cm3) [Trans-isomer]
Ozone Reaction:
OVERALL Ozone Rate Constant = 5.833750 E-17 cm3/molecule-sec [Cis-]
OVERALL Ozone Rate Constant = 6.402500 E-17 cm3/molecule-sec [Trans-]
Half-Life = 4.715 Hrs (at 7E11 mol/cm3) [Cis-isomer]
Half-Life = 4.296 Hrs (at 7E11 mol/cm3) [Trans-isomer]
Fraction sorbed to airborne particulates (phi):
3.85E-007 (Junge-Pankow, Mackay avg)
5.27E-008 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 1074 L/kg (MCI method)
Log Koc: 3.031 (MCI method)
Koc : 1.129E+004 L/kg (Kow method)
Log Koc: 4.053 (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 = 2.747 (BCF = 559 L/kg wet-wt)
Log Biotransformation Half-life (HL) = 0.6856 days (HL = 4.849 days)
Log BCF Arnot-Gobas method (upper trophic) = 3.142 (BCF = 1387)
Log BAF Arnot-Gobas method (upper trophic) = 3.164 (BAF = 1457)
log Kow used: 4.67 (estimated)
Volatilization from Water:
Henry LC: 0.426 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 1.193 hours
Half-Life from Model Lake : 110.9 hours (4.62 days)
Removal In Wastewater Treatment (recommended maximum 95%):
Total removal: 99.57 percent
Total biodegradation: 0.13 percent
Total sludge adsorption: 39.26 percent
Total to Air: 60.19 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 1.86 1.14 1000
Water 87 360 1000
Soil 7.9 720 1000
Sediment 3.26 3.24e+003 0
Persistence Time: 70.7 hr