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CAS Num: 000111-80-8


CHEM : 2-Nonynoic acid, methyl ester

MOL FOR: C10 H16 O2

MOL WT : 168.24

------------------------------ 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) = 3.10

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

Boiling Pt (deg C): 224.53 (Adapted Stein & Brown method)

Melting Pt (deg C): 37.54 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.0749 (Modified Grain method)

VP (Pa, 25 deg C) : 9.99 (Modified Grain method)

BP (exp database): 121 @ 20 mm Hg deg C

Subcooled liquid VP: 0.0972 mm Hg (25 deg C, Mod-Grain method)

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

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

Water Solubility at 25 deg C (mg/L): 142.5

log Kow used: 3.10 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 143.68 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:


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

Bond Method : 1.34E-004 atm-m3/mole (1.36E+001 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: 1.164E-004 atm-m3/mole (1.179E+001 Pa-m3/mole)

VP: 0.0749 mm Hg (source: MPBPVP)

WS: 143 mg/L (source: WSKOWWIN)

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

Log Kow used: 3.10 (KowWin est)

Log Kaw used: -2.261 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 5.361

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.9501

Biowin2 (Non-Linear Model) : 0.9986

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.2659 (days-weeks )

Biowin4 (Primary Survey Model) : 4.1030 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.8033

Biowin6 (MITI Non-Linear Model): 0.9090

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.6610

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): 13 Pa (0.0972 mm Hg)

Log Koa (Koawin est ): 5.361

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

Mackay model : 2.31E-007

Octanol/air (Koa) model: 5.64E-008

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 8.36E-006

Mackay model : 1.85E-005

Octanol/air (Koa) model: 4.51E-006

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 16.3717 E-12 cm3/molecule-sec

Half-Life = 0.653 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 7.840 Hrs

Ozone Reaction:

OVERALL Ozone Rate Constant = 0.003000 E-17 cm3/molecule-sec

Half-Life = 382.000 Days (at 7E11 mol/cm3)

Fraction sorbed to airborne particulates (phi):

1.34E-005 (Junge-Pankow, Mackay avg)

4.51E-006 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 214.1 L/kg (MCI method)

Log Koc: 2.331 (MCI method)

Koc : 375.2 L/kg (Kow method)

Log Koc: 2.574 (Kow method)

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

Total Kb for pH > 8 at 25 deg C : 5.042E-001 L/mol-sec

Kb Half-Life at pH 8: 15.910 days

Kb Half-Life at pH 7: 159.104 days

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

Bioaccumulation Estimates (BCFBAF v3.00):

Log BCF from regression-based method = 1.709 (BCF = 51.21 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -1.1324 days (HL = 0.07372 days)

Log BCF Arnot-Gobas method (upper trophic) = 1.395 (BCF = 24.83)

Log BAF Arnot-Gobas method (upper trophic) = 1.395 (BAF = 24.83)

log Kow used: 3.10 (estimated)

Volatilization from Water:

Henry LC: 0.000134 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 6.991 hours

Half-Life from Model Lake : 185 hours (7.709 days)

Removal In Wastewater Treatment:

Total removal: 12.38 percent

Total biodegradation: 0.13 percent

Total sludge adsorption: 6.28 percent

Total to Air: 5.97 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 2.93 15.7 1000

Water 25.6 208 1000

Soil 71.2 416 1000

Sediment 0.208 1.87e+003 0

Persistence Time: 257 hr

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