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CAS Num: 005436-21-5

SMILES : O=C(CC(OC)OC)C

CHEM : 2-Butanone, 4,4-dimethoxy-

MOL FOR: C6 H12 O3

MOL WT : 132.16

------------------------------ 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) = -0.84

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

Boiling Pt (deg C): 152.18 (Adapted Stein & Brown method)

Melting Pt (deg C): -30.60 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 4.66 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 621 (Mean VP of Antoine & Grain methods)

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

Water Solubility at 25 deg C (mg/L): 4.747e+005

log Kow used: -0.84 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 1e+006 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Neutral Organics

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

Bond Method : 4.52E-008 atm-m3/mole (4.58E-003 Pa-m3/mole)

Group Method: 7.22E-009 atm-m3/mole (7.31E-004 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: 1.707E-006 atm-m3/mole (1.730E-001 Pa-m3/mole)

VP: 4.66 mm Hg (source: MPBPVP)

WS: 4.75E+005 mg/L (source: WSKOWWIN)

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

Log Kow used: -0.84 (KowWin est)

Log Kaw used: -5.733 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 4.893

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : -0.0033

Biowin2 (Non-Linear Model) : 0.0021

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.8673 (weeks )

Biowin4 (Primary Survey Model) : 3.6154 (days-weeks )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.4396

Biowin6 (MITI Non-Linear Model): 0.4298

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): -0.4489

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): 571 Pa (4.28 mm Hg)

Log Koa (Koawin est ): 4.893

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

Mackay model : 5.26E-009

Octanol/air (Koa) model: 1.92E-008

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 1.9E-007

Mackay model : 4.21E-007

Octanol/air (Koa) model: 1.53E-006

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 30.3144 E-12 cm3/molecule-sec

Half-Life = 0.353 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 4.234 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

3.05E-007 (Junge-Pankow, Mackay avg)

1.53E-006 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 1 L/kg (MCI method)

Log Koc: 0.000 (MCI method)

Koc : 2.984 L/kg (Kow method)

Log Koc: 0.475 (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 = 0.500 (BCF = 3.162 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -1.7939 days (HL = 0.01607 days)

Log BCF Arnot-Gobas method (upper trophic) = -0.046 (BCF = 0.899)

Log BAF Arnot-Gobas method (upper trophic) = -0.046 (BAF = 0.899)

log Kow used: -0.84 (estimated)

Volatilization from Water:

Henry LC: 4.52E-008 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 1.489E+004 hours (620.5 days)

Half-Life from Model Lake : 1.626E+005 hours (6773 days)

Removal In Wastewater Treatment:

Total removal: 1.85 percent

Total biodegradation: 0.09 percent

Total sludge adsorption: 1.75 percent

Total to Air: 0.00 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.54 8.47 1000

Water 42.2 360 1000

Soil 57.2 720 1000

Sediment 0.0789 3.24e+003 0

Persistence Time: 439 hr

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