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CAS Num: 000138-23-8


CHEM : Propanoic acid, 2-methyl-, 3,7-dimethyl-7-octenyl ester

MOL FOR: C14 H26 O2

MOL WT : 226.36

------------------------------ 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) = 5.55

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

Boiling Pt (deg C): 255.51 (Adapted Stein & Brown method)

Melting Pt (deg C): 3.26 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.0203 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 2.7 (Mean VP of Antoine & Grain methods)

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

Water Solubility at 25 deg C (mg/L): 0.582

log Kow used: 5.55 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 2.0374 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:


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

Bond Method : 3.48E-003 atm-m3/mole (3.53E+002 Pa-m3/mole)

Group Method: 3.08E-003 atm-m3/mole (3.12E+002 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: 1.039E-002 atm-m3/mole (1.053E+003 Pa-m3/mole)

VP: 0.0203 mm Hg (source: MPBPVP)

WS: 0.582 mg/L (source: WSKOWWIN)

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

Log Kow used: 5.55 (KowWin est)

Log Kaw used: -0.847 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 6.397

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.8140

Biowin2 (Non-Linear Model) : 0.9796

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.8391 (weeks )

Biowin4 (Primary Survey Model) : 3.7501 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.5422

Biowin6 (MITI Non-Linear Model): 0.6271

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.3408

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): 2.67 Pa (0.02 mm Hg)

Log Koa (Koawin est ): 6.397

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

Mackay model : 1.13E-006

Octanol/air (Koa) model: 6.12E-007

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 4.06E-005

Mackay model : 9E-005

Octanol/air (Koa) model: 4.9E-005

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 62.8003 E-12 cm3/molecule-sec

Half-Life = 0.170 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 2.044 Hrs

Ozone Reaction:

OVERALL Ozone Rate Constant = 1.200000 E-17 cm3/molecule-sec

Half-Life = 0.955 Days (at 7E11 mol/cm3)

Half-Life = 22.920 Hrs

Fraction sorbed to airborne particulates (phi):

6.53E-005 (Junge-Pankow, Mackay avg)

4.9E-005 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 1501 L/kg (MCI method)

Log Koc: 3.176 (MCI method)

Koc : 8499 L/kg (Kow method)

Log Koc: 3.929 (Kow method)

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

Total Kb for pH > 8 at 25 deg C : 3.709E-002 L/mol-sec

Kb Half-Life at pH 8: 216.263 days

Kb Half-Life at pH 7: 5.921 years

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

Bioaccumulation Estimates (BCFBAF v3.00):

Log BCF from regression-based method = 3.328 (BCF = 2126 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -0.2563 days (HL = 0.5542 days)

Log BCF Arnot-Gobas method (upper trophic) = 2.339 (BCF = 218.4)

Log BAF Arnot-Gobas method (upper trophic) = 2.342 (BAF = 219.6)

log Kow used: 5.55 (estimated)

Volatilization from Water:

Henry LC: 0.00308 atm-m3/mole (estimated by Group SAR Method)

Half-Life from Model River: 1.821 hours

Half-Life from Model Lake : 146 hours (6.084 days)

Removal In Wastewater Treatment:

Total removal: 90.30 percent

Total biodegradation: 0.67 percent

Total sludge adsorption: 83.98 percent

Total to Air: 5.64 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.836 3.47 1000

Water 19.9 360 1000

Soil 78.3 720 1000

Sediment 0.988 3.24e+003 0

Persistence Time: 324 hr

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