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CAS Num: 000141-24-2
SMILES : O=C(OC)CCCCCCCC=CCC(O)CCCCCC
CHEM : 9-Octadecenoic acid, 12-hydroxy-, methyl ester, R-(Z) -
MOL FOR: C19 H36 O3
MOL WT : 312.50
------------------------------ 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) = 6.48
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
Boiling Pt (deg C): 385.27 (Adapted Stein & Brown method)
Melting Pt (deg C): 112.55 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 6.85E-008 (Modified Grain method)
VP (Pa, 25 deg C) : 9.13E-006 (Modified Grain method)
Subcooled liquid VP: 4.99E-007 mm Hg (25 deg C, Mod-Grain method)
: 6.66E-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): 0.09867
log Kow used: 6.48 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 0.10953 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Esters
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 5.25E-007 atm-m3/mole (5.32E-002 Pa-m3/mole)
Group Method: 1.47E-007 atm-m3/mole (1.49E-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: 2.855E-007 atm-m3/mole (2.892E-002 Pa-m3/mole)
VP: 6.85E-008 mm Hg (source: MPBPVP)
WS: 0.0987 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 6.48 (KowWin est)
Log Kaw used: -4.668 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 11.148
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 1.0401
Biowin2 (Non-Linear Model) : 0.9964
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.1071 (weeks )
Biowin4 (Primary Survey Model) : 4.0244 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.8923
Biowin6 (MITI Non-Linear Model): 0.9265
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.6888
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): 6.65E-005 Pa (4.99E-007 mm Hg)
Log Koa (Koawin est ): 11.148
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 0.0451
Octanol/air (Koa) model: 0.0345
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.62
Mackay model : 0.783
Octanol/air (Koa) model: 0.734
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 83.7175 E-12 cm3/molecule-sec [Cis-isomer]
OVERALL OH Rate Constant = 91.3175 E-12 cm3/molecule-sec [Trans-isomer]
Half-Life = 1.533 Hrs (12-hr day; 1.5E6 OH/cm3) [Cis-isomer]
Half-Life = 1.406 Hrs (12-hr day; 1.5E6 OH/cm3) [Trans-isomer]
Ozone Reaction:
OVERALL Ozone Rate Constant = 13.000000 E-17 cm3/molecule-sec [Cis-]
OVERALL Ozone Rate Constant = 20.000000 E-17 cm3/molecule-sec [Trans-]
Half-Life = 2.116 Hrs (at 7E11 mol/cm3) [Cis-isomer]
Half-Life = 1.375 Hrs (at 7E11 mol/cm3) [Trans-isomer]
Reaction With Nitrate Radicals May Be Important!
Fraction sorbed to airborne particulates (phi):
0.701 (Junge-Pankow, Mackay avg)
0.734 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 3663 L/kg (MCI method)
Log Koc: 3.564 (MCI method)
Koc : 1.077E+004 L/kg (Kow method)
Log Koc: 4.032 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 3.016E-002 L/mol-sec
Kb Half-Life at pH 8: 266.000 days
Kb Half-Life at pH 7: 7.283 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.00):
Log BCF from regression-based method = 2.566 (BCF = 368.5 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.3245 days (HL = 0.4737 days)
Log BCF Arnot-Gobas method (upper trophic) = 2.091 (BCF = 123.3)
Log BAF Arnot-Gobas method (upper trophic) = 2.106 (BAF = 127.5)
log Kow used: 6.48 (estimated)
Volatilization from Water:
Henry LC: 1.47E-007 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 7043 hours (293.4 days)
Half-Life from Model Lake : 7.698E+004 hours (3207 days)
Removal In Wastewater Treatment:
Total removal: 93.41 percent
Total biodegradation: 0.78 percent
Total sludge adsorption: 92.63 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 0.117 1.25 1000
Water 23.5 360 1000
Soil 74 720 1000
Sediment 2.34 3.24e+003 0
Persistence Time: 484 hr