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CAS Num: 000586-63-0

SMILES : C(=CC(C1)=C(C)C)C(C1)C

CHEM : CYCLOHEXENE, 3-METHYL-6-(1-METHYLETHYLIDENE)-

MOL FOR: C10 H16

MOL WT : 136.24

------------------------------ 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) = 4.75

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

Boiling Pt (deg C): 173.90 (Adapted Stein & Brown method)

Melting Pt (deg C): -39.14 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 1.75 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 233 (Mean VP of Antoine & Grain methods)

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

Water Solubility at 25 deg C (mg/L): 2.218

log Kow used: 4.75 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 59.034 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Neutral Organics

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

Bond Method : 3.65E-001 atm-m3/mole (3.70E+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: 1.414E-001 atm-m3/mole (1.433E+004 Pa-m3/mole)

VP: 1.75 mm Hg (source: MPBPVP)

WS: 2.22 mg/L (source: WSKOWWIN)

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

Log Kow used: 4.75 (KowWin est)

Log Kaw used: 1.174 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 3.576

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) : 0.3723

Biowin6 (MITI Non-Linear Model): 0.2792

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.2497

Ready Biodegradability Prediction: NO

Hydrocarbon Biodegradation (BioHCwin v1.01):

LOG BioHC Half-Life (days) : 0.3906

BioHC Half-Life (days) : 2.4581

Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:

Vapor pressure (liquid/subcooled): 213 Pa (1.6 mm Hg)

Log Koa (Koawin est ): 3.576

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

Mackay model : 1.41E-008

Octanol/air (Koa) model: 9.25E-010

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 5.08E-007

Mackay model : 1.12E-006

Octanol/air (Koa) model: 7.4E-008

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 265.3874 E-12 cm3/molecule-sec

Half-Life = 0.040 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 29.018 Min

Ozone Reaction:

OVERALL Ozone Rate Constant = 1000.000000 E-17 cm3/molecule-sec

Half-Life = 0.001 Days (at 7E11 mol/cm3)

Half-Life = 1.650 Min

Reaction With Nitrate Radicals May Be Important!

Fraction sorbed to airborne particulates (phi):

8.16E-007 (Junge-Pankow, Mackay avg)

7.4E-008 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 1120 L/kg (MCI method)

Log Koc: 3.049 (MCI method)

Koc : 1.325E+004 L/kg (Kow method)

Log Koc: 4.122 (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 = 2.800 (BCF = 631.4 L/kg wet-wt)

Log Biotransformation Half-life (HL) = 0.7112 days (HL = 5.143 days)

Log BCF Arnot-Gobas method (upper trophic) = 3.180 (BCF = 1515)

Log BAF Arnot-Gobas method (upper trophic) = 3.209 (BAF = 1618)

log Kow used: 4.75 (estimated)

Volatilization from Water:

Henry LC: 0.365 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: 99.51 percent

Total biodegradation: 0.13 percent

Total sludge adsorption: 41.79 percent

Total to Air: 57.59 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.0445 0.0267 1000

Water 87.2 360 1000

Soil 9.39 720 1000

Sediment 3.39 3.24e+003 0

Persistence Time: 70.5 hr

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