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CAS Number: 80-26-2
SMILES : O=C(OC(C(CCC(=C1)C)C1)(C)C)C
CHEM : 3-Cyclohexene-1-methanol, .alpha.,.alpha.,4-trimethyl-, acetate
MOL FOR: C12 H20 O2
MOL WT : 196.29
------------------------------ 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) = 4.34
Log Kow (Exper. database match) = 3.96
Exper. Ref: GRIFFIN,S ET AL. (1999)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 238.66 (Adapted Stein & Brown method)
Melting Pt (deg C): 21.47 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.0497 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 6.63 (Mean VP of Antoine & Grain methods)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 18.97
log Kow used: 3.96 (expkow database)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 101.2 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Esters
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 1.03E-003 atm-m3/mole (1.04E+002 Pa-m3/mole)
Group Method: 1.02E-004 atm-m3/mole (1.03E+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: 6.767E-004 atm-m3/mole (6.856E+001 Pa-m3/mole)
VP: 0.0497 mm Hg (source: MPBPVP)
WS: 19 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 3.96 (exp database)
Log Kaw used: -1.376 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 5.336
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.6443
Biowin2 (Non-Linear Model) : 0.9294
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.6935 (weeks-months)
Biowin4 (Primary Survey Model) : 3.6401 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.6190
Biowin6 (MITI Non-Linear Model): 0.5964
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -0.0387
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): 6.33 Pa (0.0475 mm Hg)
Log Koa (Koawin est ): 5.336
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 4.74E-007
Octanol/air (Koa) model: 5.32E-008
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 1.71E-005
Mackay model : 3.79E-005
Octanol/air (Koa) model: 4.26E-006
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 94.7335 E-12 cm3/molecule-sec
Half-Life = 0.113 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 1.355 Hrs
Ozone Reaction:
OVERALL Ozone Rate Constant = 43.000000 E-17 cm3/molecule-sec
Half-Life = 0.027 Days (at 7E11 mol/cm3)
Half-Life = 38.378 Min
Reaction With Nitrate Radicals May Be Important!
Fraction sorbed to airborne particulates (phi):
2.75E-005 (Junge-Pankow, Mackay avg)
4.26E-006 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 443.9 L/kg (MCI method)
Log Koc: 2.647 (MCI method)
Koc : 1122 L/kg (Kow method)
Log Koc: 3.050 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 1.022E-002 L/mol-sec
Kb Half-Life at pH 8: 2.148 years
Kb Half-Life at pH 7: 21.483 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.00):
Log BCF from regression-based method = 2.280 (BCF = 190.5 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.5017 days (HL = 0.315 days)
Log BCF Arnot-Gobas method (upper trophic) = 2.070 (BCF = 117.6)
Log BAF Arnot-Gobas method (upper trophic) = 2.070 (BAF = 117.6)
log Kow used: 3.96 (expkow database)
Volatilization from Water:
Henry LC: 0.000102 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 9.472 hours
Half-Life from Model Lake : 220.8 hours (9.2 days)
Removal In Wastewater Treatment:
Total removal: 31.28 percent
Total biodegradation: 0.30 percent
Total sludge adsorption: 27.42 percent
Total to Air: 3.56 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.0392 0.517 1000
Water 15.8 900 1000
Soil 83.8 1.8e+003 1000
Sediment 0.389 8.1e+003 0
Persistence Time: 884 hr