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CAS Number: 2599-01-1


CHEM : Tetradecanoic acid, hexadecyl ester

MOL FOR: C30 H60 O2

MOL WT : 452.81

------------------------------ EPI SUMMARY (v4.10) --------------------------

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) = 13.63

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

Boiling Pt (deg C): 476.63 (Adapted Stein & Brown method)

Melting Pt (deg C): 180.84 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 2.54E-009 (Modified Grain method)

VP (Pa, 25 deg C) : 3.38E-007 (Modified Grain method)

Subcooled liquid VP: 1.06E-007 mm Hg (25 deg C, Mod-Grain method)

: 1.42E-005 Pa (25 deg C, Mod-Grain method)

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

Water Solubility at 25 deg C (mg/L): 3.259e-009

log Kow used: 13.63 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 4.5281e-007 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:


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

Bond Method : 3.68E-001 atm-m3/mole (3.73E+004 Pa-m3/mole)

Group Method: 1.25E+000 atm-m3/mole (1.27E+005 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: 4.644E-001 atm-m3/mole (4.705E+004 Pa-m3/mole)

VP: 2.54E-009 mm Hg (source: MPBPVP)

WS: 3.26E-009 mg/L (source: WSKOWWIN)

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

Log Kow used: 13.63 (KowWin est)

Log Kaw used: 1.177 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 12.453

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.9230

Biowin2 (Non-Linear Model) : 0.9872

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.9354 (weeks )

Biowin4 (Primary Survey Model) : 3.9615 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 1.0438

Biowin6 (MITI Non-Linear Model): 0.9717

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.9151

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): 1.41E-005 Pa (1.06E-007 mm Hg)

Log Koa (Koawin est ): 12.453

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

Mackay model : 0.212

Octanol/air (Koa) model: 0.697

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.885

Mackay model : 0.944

Octanol/air (Koa) model: 0.982

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 37.3266 E-12 cm3/molecule-sec

Half-Life = 0.287 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 3.439 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

0.915 (Junge-Pankow, Mackay avg)

0.982 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 3.496E+007 L/kg (MCI method)

Log Koc: 7.544 (MCI method)

Koc : 2.504E+008 L/kg (Kow method)

Log Koc: 8.399 (Kow method)

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

Total Kb for pH > 8 at 25 deg C : 1.077E-002 L/mol-sec

Kb Half-Life at pH 8: 2.040 years

Kb Half-Life at pH 7: 20.398 years

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

Bioaccumulation Estimates (BCFBAF v3.01):

Log BCF from regression-based method = 0.874 (BCF = 7.48 L/kg wet-wt)

Log Biotransformation Half-life (HL) = 1.9427 days (HL = 87.64 days)

Log BCF Arnot-Gobas method (upper trophic) = -0.048 (BCF = 0.8964)

Log BAF Arnot-Gobas method (upper trophic) = 0.908 (BAF = 8.084)

log Kow used: 13.63 (estimated)

Volatilization from Water:

Henry LC: 1.25 atm-m3/mole (estimated by Group SAR Method)

Half-Life from Model River: 2.172 hours

Half-Life from Model Lake : 202.1 hours (8.422 days)

Removal In Wastewater Treatment:

Total removal: 94.04 percent

Total biodegradation: 0.78 percent

Total sludge adsorption: 93.26 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 0.464 6.88 1000

Water 22.2 360 1000

Soil 77.4 720 1000

Sediment 0.0107 3.24e+003 0

Persistence Time: 525 hr

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