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CAS Num: 000142-18-7


CHEM : Dodecanoic acid, 2,3-dihydroxypropyl ester

MOL FOR: C15 H30 O4

MOL WT : 274.40

------------------------------ 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) = 3.67

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

Boiling Pt (deg C): 378.73 (Adapted Stein & Brown method)

Melting Pt (deg C): 121.05 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 3.83E-008 (Modified Grain method)

VP (Pa, 25 deg C) : 5.11E-006 (Modified Grain method)

Subcooled liquid VP: 3.45E-007 mm Hg (25 deg C, Mod-Grain method)

: 4.59E-005 Pa (25 deg C, Mod-Grain method)

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

Water Solubility at 25 deg C (mg/L): 12.67

log Kow used: 3.67 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 148.53 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:


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

Bond Method : 7.02E-009 atm-m3/mole (7.12E-004 Pa-m3/mole)

Group Method: 1.54E-012 atm-m3/mole (1.56E-007 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: 1.091E-009 atm-m3/mole (1.106E-004 Pa-m3/mole)

VP: 3.83E-008 mm Hg (source: MPBPVP)

WS: 12.7 mg/L (source: WSKOWWIN)

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

Log Kow used: 3.67 (KowWin est)

Log Kaw used: -6.542 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 10.212

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 1.2170

Biowin2 (Non-Linear Model) : 0.9993

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.3513 (days-weeks )

Biowin4 (Primary Survey Model) : 4.2088 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 1.1045

Biowin6 (MITI Non-Linear Model): 0.9842

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 1.0222

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): 4.6E-005 Pa (3.45E-007 mm Hg)

Log Koa (Koawin est ): 10.212

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

Mackay model : 0.0652

Octanol/air (Koa) model: 0.004

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.702

Mackay model : 0.839

Octanol/air (Koa) model: 0.242

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 29.3882 E-12 cm3/molecule-sec

Half-Life = 0.364 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 4.367 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

0.771 (Junge-Pankow, Mackay avg)

0.242 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 29.11 L/kg (MCI method)

Log Koc: 1.464 (MCI method)

Koc : 116.6 L/kg (Kow method)

Log Koc: 2.067 (Kow method)

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

Total Kb for pH > 8 at 25 deg C : 2.848E-002 L/mol-sec

Kb Half-Life at pH 8: 281.632 days

Kb Half-Life at pH 7: 7.711 years

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

Bioaccumulation Estimates (BCFBAF v3.00):

Log BCF from regression-based method = 2.088 (BCF = 122.5 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -1.6183 days (HL = 0.02408 days)

Log BCF Arnot-Gobas method (upper trophic) = 1.032 (BCF = 10.77)

Log BAF Arnot-Gobas method (upper trophic) = 1.032 (BAF = 10.77)

log Kow used: 3.67 (estimated)

Volatilization from Water:

Henry LC: 7.02E-009 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 1.382E+005 hours (5757 days)

Half-Life from Model Lake : 1.507E+006 hours (6.28E+004 days)

Removal In Wastewater Treatment:

Total removal: 17.51 percent

Total biodegradation: 0.22 percent

Total sludge adsorption: 17.29 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 0.446 8.74 1000

Water 26.7 208 1000

Soil 72.8 416 1000

Sediment 0.0746 1.87e+003 0

Persistence Time: 361 hr

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