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CAS Number: 69777-59-9

SMILES : O=C(c1ccc(cc1)OCCCCCC)Oc2ccc(cc2)CC(CC)C

CHEM : Benzoic acid, 4-(hexyloxy)-, 4-(2-methylbutyl)phenyl ester, (S)-

MOL FOR: C24 H32 O3

MOL WT : 368.52

------------------------------ EPI SUMMARY (v4.11) --------------------------

Physical Property Inputs:

Log Kow (octanol-water): ------

Boiling Point (deg C) : ------

Melting Point (deg C) : ------

Vapor Pressure (mm Hg) : ------

Water Solubility (mg/L): ------

Henry LC (atm-m3/mole) : ------

Log Octanol-Water Partition Coef (SRC):

Log Kow (KOWWIN v1.68 estimate) = 8.02

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

Boiling Pt (deg C): 441.12 (Adapted Stein & Brown method)

Melting Pt (deg C): 167.44 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 2.77E-008 (Modified Grain method)

VP (Pa, 25 deg C) : 3.69E-006 (Modified Grain method)

Subcooled liquid VP: 8.16E-007 mm Hg (25 deg C, Mod-Grain method)

: 0.000109 Pa (25 deg C, Mod-Grain method)

Water Solubility Estimate from Log Kow (WSKOW v1.42):

Water Solubility at 25 deg C (mg/L): 0.0006776

log Kow used: 8.02 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 0.00041308 mg/L

ECOSAR Class Program (ECOSAR v1.11):

Class(es) found:

Esters

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

Bond Method : 1.07E-005 atm-m3/mole (1.09E+000 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: 1.982E-005 atm-m3/mole (2.008E+000 Pa-m3/mole)

VP: 2.77E-008 mm Hg (source: MPBPVP)

WS: 0.000678 mg/L (source: WSKOWWIN)

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

Log Kow used: 8.02 (KowWin est)

Log Kaw used: -3.359 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 11.379

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 1.0413

Biowin2 (Non-Linear Model) : 0.9985

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.6904 (weeks-months)

Biowin4 (Primary Survey Model) : 3.8227 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.4119

Biowin6 (MITI Non-Linear Model): 0.2744

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): -0.2656

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): 0.000109 Pa (8.16E-007 mm Hg)

Log Koa (Koawin est ): 11.379

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

Mackay model : 0.0276

Octanol/air (Koa) model: 0.0587

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.499

Mackay model : 0.688

Octanol/air (Koa) model: 0.825

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 43.8998 E-12 cm3/molecule-sec

Half-Life = 0.244 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 2.924 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

0.594 (Junge-Pankow, Mackay avg)

0.825 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 2.897E+005 L/kg (MCI method)

Log Koc: 5.462 (MCI method)

Koc : 2.247E+005 L/kg (Kow method)

Log Koc: 5.352 (Kow method)

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

Total Kb for pH > 8 at 25 deg C : 4.562E-002 L/mol-sec

Kb Half-Life at pH 8: 175.826 days

Kb Half-Life at pH 7: 4.814 years

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

Bioaccumulation Estimates (BCFBAF v3.01):

Log BCF from regression-based method = 3.624 (BCF = 4212 L/kg wet-wt)

Log Biotransformation Half-life (HL) = 0.9932 days (HL = 9.844 days)

Log BCF Arnot-Gobas method (upper trophic) = 2.234 (BCF = 171.3)

Log BAF Arnot-Gobas method (upper trophic) = 4.267 (BAF = 1.851e+004)

log Kow used: 8.02 (estimated)

Volatilization from Water:

Henry LC: 1.07E-005 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 107 hours (4.458 days)

Half-Life from Model Lake : 1328 hours (55.34 days)

Removal In Wastewater Treatment:

Total removal: 94.02 percent

Total biodegradation: 0.78 percent

Total sludge adsorption: 93.24 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 0.149 5.85 1000

Water 10.6 900 1000

Soil 61.8 1.8e+003 1000

Sediment 27.5 8.1e+003 0

Persistence Time: 1.55e+003 hr

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