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CAS Num: 094022-04-5

SMILES : CCCCOC(=O)COC(=O)CCC

CHEM : Butanoic acid, 2-butoxy-2-oxoethyl ester

MOL FOR: C10 H18 O4

MOL WT : 202.25

------------------------------ 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) = 2.37

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

Boiling Pt (deg C): 226.14 (Adapted Stein & Brown method)

Melting Pt (deg C): -48.83 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.0955 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 12.7 (Mean VP of Antoine & Grain methods)

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

Water Solubility at 25 deg C (mg/L): 403.8

log Kow used: 2.37 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 694.95 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Esters

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

Bond Method : 1.22E-005 atm-m3/mole (1.23E+000 Pa-m3/mole)

Group Method: 4.35E-006 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: 6.294E-005 atm-m3/mole (6.377E+000 Pa-m3/mole)

VP: 0.0955 mm Hg (source: MPBPVP)

WS: 404 mg/L (source: WSKOWWIN)

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

Log Kow used: 2.37 (KowWin est)

Log Kaw used: -3.302 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 5.672

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 1.1080

Biowin2 (Non-Linear Model) : 1.0000

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.3310 (days-weeks )

Biowin4 (Primary Survey Model) : 4.2829 (hours-days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 1.0952

Biowin6 (MITI Non-Linear Model): 0.9852

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.8589

Ready Biodegradability Prediction: YES

Hydrocarbon Biodegradation (BioHCwin v1.01):

Structure incompatible with current estimation method!

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

Vapor pressure (liquid/subcooled): 11.9 Pa (0.0896 mm Hg)

Log Koa (Koawin est ): 5.672

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

Mackay model : 2.51E-007

Octanol/air (Koa) model: 1.15E-007

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 9.07E-006

Mackay model : 2.01E-005

Octanol/air (Koa) model: 9.23E-006

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 6.7028 E-12 cm3/molecule-sec

Half-Life = 1.596 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 19.149 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

1.46E-005 (Junge-Pankow, Mackay avg)

9.23E-006 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 31.59 L/kg (MCI method)

Log Koc: 1.500 (MCI method)

Koc : 127.3 L/kg (Kow method)

Log Koc: 2.105 (Kow method)

Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:

Total Kb for pH > 8 at 25 deg C : 1.063E+001 L/mol-sec

Kb Half-Life at pH 8: 18.114 hours

Kb Half-Life at pH 7: 7.548 days

(Total Kb applies only to esters, carbmates, alkyl halides)

Bioaccumulation Estimates (BCFBAF v3.00):

Log BCF from regression-based method = 1.230 (BCF = 16.99 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -2.1792 days (HL = 0.00662 days)

Log BCF Arnot-Gobas method (upper trophic) = 0.530 (BCF = 3.388)

Log BAF Arnot-Gobas method (upper trophic) = 0.530 (BAF = 3.388)

log Kow used: 2.37 (estimated)

Volatilization from Water:

Henry LC: 1.22E-005 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 69.7 hours (2.904 days)

Half-Life from Model Lake : 879.6 hours (36.65 days)

Removal In Wastewater Treatment:

Total removal: 3.43 percent

Total biodegradation: 0.10 percent

Total sludge adsorption: 2.66 percent

Total to Air: 0.67 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 4.68 38.3 1000

Water 32 208 1000

Soil 63.2 416 1000

Sediment 0.092 1.87e+003 0

Persistence Time: 266 hr

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