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CAS Num: 067828-19-7

SMILES : O=C(C(C)Cc(ccc(OC)c1)c1)C

CHEM : 2-Butanone, 4-(4-methoxyphenyl)-3-methyl-

MOL FOR: C12 H16 O2

MOL WT : 192.26

------------------------------ 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) = 2.46

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

Boiling Pt (deg C): 271.27 (Adapted Stein & Brown method)

Melting Pt (deg C): 46.34 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.00565 (Modified Grain method)

VP (Pa, 25 deg C) : 0.753 (Modified Grain method)

Subcooled liquid VP: 0.00885 mm Hg (25 deg C, Mod-Grain method)

: 1.18 Pa (25 deg C, Mod-Grain method)

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

Water Solubility at 25 deg C (mg/L): 377.9

log Kow used: 2.46 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 216.29 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Neutral Organics

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

Bond Method : 4.17E-007 atm-m3/mole (4.23E-002 Pa-m3/mole)

Group Method: 2.08E-006 atm-m3/mole (2.11E-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: 3.782E-006 atm-m3/mole (3.832E-001 Pa-m3/mole)

VP: 0.00565 mm Hg (source: MPBPVP)

WS: 378 mg/L (source: WSKOWWIN)

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

Log Kow used: 2.46 (KowWin est)

Log Kaw used: -4.768 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 7.228

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.8494

Biowin2 (Non-Linear Model) : 0.9341

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.6189 (weeks-months)

Biowin4 (Primary Survey Model) : 3.5567 (days-weeks )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.3809

Biowin6 (MITI Non-Linear Model): 0.3649

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): -0.2859

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): 1.18 Pa (0.00885 mm Hg)

Log Koa (Koawin est ): 7.228

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

Mackay model : 2.54E-006

Octanol/air (Koa) model: 4.15E-006

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 9.18E-005

Mackay model : 0.000203

Octanol/air (Koa) model: 0.000332

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 33.0930 E-12 cm3/molecule-sec

Half-Life = 0.323 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 3.879 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

0.000148 (Junge-Pankow, Mackay avg)

0.000332 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 177 L/kg (MCI method)

Log Koc: 2.248 (MCI method)

Koc : 344.6 L/kg (Kow method)

Log Koc: 2.537 (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 = 1.292 (BCF = 19.57 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -0.4993 days (HL = 0.3167 days)

Log BCF Arnot-Gobas method (upper trophic) = 1.391 (BCF = 24.59)

Log BAF Arnot-Gobas method (upper trophic) = 1.391 (BAF = 24.59)

log Kow used: 2.46 (estimated)

Volatilization from Water:

Henry LC: 2.08E-006 atm-m3/mole (estimated by Group SAR Method)

Half-Life from Model River: 391.7 hours (16.32 days)

Half-Life from Model Lake : 4389 hours (182.9 days)

Removal In Wastewater Treatment:

Total removal: 3.10 percent

Total biodegradation: 0.10 percent

Total sludge adsorption: 2.88 percent

Total to Air: 0.12 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.357 7.76 1000

Water 21.9 900 1000

Soil 77.6 1.8e+003 1000

Sediment 0.231 8.1e+003 0

Persistence Time: 961 hr

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