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CAS Num: 014576-08-0


CHEM : Cyclohexene, 4-(1-methoxy-1-methylethyl)-1-methyl-

MOL FOR: C11 H20 O1

MOL WT : 168.28

------------------------------ EPI SUMMARY (v4.00) --------------------------

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) = 4.03

Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):

Boiling Pt (deg C): 196.38 (Adapted Stein & Brown method)

Melting Pt (deg C): -6.56 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.615 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 81.9 (Mean VP of Antoine & Grain methods)

Water Solubility Estimate from Log Kow (WSKOW v1.41):

Water Solubility at 25 deg C (mg/L): 22.61

log Kow used: 4.03 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 433.69 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Neutral Organics

Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:

Bond Method : 5.05E-003 atm-m3/mole (5.12E+002 Pa-m3/mole)

Group Method: 4.35E-004 atm-m3/mole (4.41E+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: 6.023E-003 atm-m3/mole (6.103E+002 Pa-m3/mole)

VP: 0.615 mm Hg (source: MPBPVP)

WS: 22.6 mg/L (source: WSKOWWIN)

Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:

Log Kow used: 4.03 (KowWin est)

Log Kaw used: -0.685 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 4.715

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.1361

Biowin2 (Non-Linear Model) : 0.0106

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.6065 (weeks-months)

Biowin4 (Primary Survey Model) : 3.4418 (days-weeks )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.3600

Biowin6 (MITI Non-Linear Model): 0.2052

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): -0.4678

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): 75.2 Pa (0.564 mm Hg)

Log Koa (Koawin est ): 4.715

Kp (particle/gas partition coef. (m3/ug)):

Mackay model : 3.99E-008

Octanol/air (Koa) model: 1.27E-008

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 1.44E-006

Mackay model : 3.19E-006

Octanol/air (Koa) model: 1.02E-006

Atmospheric Oxidation (25 deg C) [AopWin v1.92]:

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 102.8009 E-12 cm3/molecule-sec

Half-Life = 0.104 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 1.249 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):

2.32E-006 (Junge-Pankow, Mackay avg)

1.02E-006 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 423.1 L/kg (MCI method)

Log Koc: 2.626 (MCI method)

Koc : 1158 L/kg (Kow method)

Log Koc: 3.064 (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 = 2.327 (BCF = 212.2 L/kg wet-wt)

Log Biotransformation Half-life (HL) = 0.3293 days (HL = 2.134 days)

Log BCF Arnot-Gobas method (upper trophic) = 2.697 (BCF = 498.3)

Log BAF Arnot-Gobas method (upper trophic) = 2.699 (BAF = 499.5)

log Kow used: 4.03 (estimated)

Volatilization from Water:

Henry LC: 0.000435 atm-m3/mole (estimated by Group SAR Method)

Half-Life from Model River: 3.07 hours

Half-Life from Model Lake : 142.3 hours (5.928 days)

Removal In Wastewater Treatment:

Total removal: 40.81 percent

Total biodegradation: 0.30 percent

Total sludge adsorption: 29.24 percent

Total to Air: 11.27 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.0643 0.509 1000

Water 15.2 900 1000

Soil 84.4 1.8e+003 1000

Sediment 0.357 8.1e+003 0

Persistence Time: 677 hr

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