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CAS Number: 26946-66-7
SMILES : CC1(CCC(CC1)C(C)(C)OC)OC
CHEM : 1-methoxy-4-(2-methoxypropan-2-yl)-1-methylcyclohexane
MOL FOR: C12 H24 O2
MOL WT : 200.32
------------------------------ 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) = 3.31
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 219.36 (Adapted Stein & Brown method)
Melting Pt (deg C): 20.09 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.204 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 27.1 (Mean VP of Antoine & Grain methods)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 64.54
log Kow used: 3.31 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 3070.6 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 5.70E-005 atm-m3/mole (5.77E+000 Pa-m3/mole)
Group Method: 2.68E-006 atm-m3/mole (2.72E-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: 8.331E-004 atm-m3/mole (8.442E+001 Pa-m3/mole)
VP: 0.204 mm Hg (source: MPBPVP)
WS: 64.5 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 3.31 (KowWin est)
Log Kaw used: -2.633 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 5.943
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : -0.4104
Biowin2 (Non-Linear Model) : 0.0000
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.3149 (weeks-months)
Biowin4 (Primary Survey Model) : 3.2324 (weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.3478
Biowin6 (MITI Non-Linear Model): 0.1468
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -1.1853
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): 25.3 Pa (0.19 mm Hg)
Log Koa (Koawin est ): 5.943
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.18E-007
Octanol/air (Koa) model: 2.15E-007
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 4.28E-006
Mackay model : 9.47E-006
Octanol/air (Koa) model: 1.72E-005
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 24.2276 E-12 cm3/molecule-sec
Half-Life = 0.441 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 5.298 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
6.88E-006 (Junge-Pankow, Mackay avg)
1.72E-005 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 162.3 L/kg (MCI method)
Log Koc: 2.210 (MCI method)
Koc : 375.6 L/kg (Kow method)
Log Koc: 2.575 (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 = 1.853 (BCF = 71.3 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.0527 days (HL = 0.8858 days)
Log BCF Arnot-Gobas method (upper trophic) = 2.137 (BCF = 137.1)
Log BAF Arnot-Gobas method (upper trophic) = 2.137 (BAF = 137.1)
log Kow used: 3.31 (estimated)
Volatilization from Water:
Henry LC: 2.68E-006 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 310.6 hours (12.94 days)
Half-Life from Model Lake : 3508 hours (146.1 days)
Removal In Wastewater Treatment:
Total removal: 9.51 percent
Total biodegradation: 0.15 percent
Total sludge adsorption: 9.22 percent
Total to Air: 0.14 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.477 10.6 1000
Water 22.2 900 1000
Soil 77.1 1.8e+003 1000
Sediment 0.218 8.1e+003 0
Persistence Time: 953 hr