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CAS Num: 013058-12-3
SMILES : O=C(OCC)C=C(CCC=C(C)C)C
CHEM : 2,6-Octadienoic acid, 3,7-dimethyl-, ethyl ester
MOL FOR: C12 H20 O2
MOL WT : 196.29
------------------------------ 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) = 4.48
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
Boiling Pt (deg C): 248.97 (Adapted Stein & Brown method)
Melting Pt (deg C): -6.10 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.0288 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 3.84 (Mean VP of Antoine & Grain methods)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 6.885
log Kow used: 4.48 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 57.985 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Acrylates
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 1.29E-003 atm-m3/mole (1.31E+002 Pa-m3/mole)
Group Method: 1.41E-004 atm-m3/mole (1.43E+001 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: 1.080E-003 atm-m3/mole (1.095E+002 Pa-m3/mole)
VP: 0.0288 mm Hg (source: MPBPVP)
WS: 6.88 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 4.48 (KowWin est)
Log Kaw used: -1.278 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 5.758
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.8283
Biowin2 (Non-Linear Model) : 0.9866
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.9056 (weeks )
Biowin4 (Primary Survey Model) : 3.7935 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.6342
Biowin6 (MITI Non-Linear Model): 0.6744
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.6206
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): 3.75 Pa (0.0281 mm Hg)
Log Koa (Koawin est ): 5.758
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 8.01E-007
Octanol/air (Koa) model: 1.41E-007
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 2.89E-005
Mackay model : 6.41E-005
Octanol/air (Koa) model: 1.12E-005
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 121.6823 E-12 cm3/molecule-sec
Half-Life = 0.088 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 1.055 Hrs
Ozone Reaction:
OVERALL Ozone Rate Constant = 50.393749 E-17 cm3/molecule-sec
Half-Life = 0.023 Days (at 7E11 mol/cm3)
Half-Life = 32.747 Min
Reaction With Nitrate Radicals May Be Important!
Fraction sorbed to airborne particulates (phi):
4.65E-005 (Junge-Pankow, Mackay avg)
1.12E-005 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 526.5 L/kg (MCI method)
Log Koc: 2.721 (MCI method)
Koc : 2175 L/kg (Kow method)
Log Koc: 3.338 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 6.237E-003 L/mol-sec
Kb Half-Life at pH 8: 3.521 years
Kb Half-Life at pH 7: 35.212 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.00):
Log BCF from regression-based method = 2.620 (BCF = 416.7 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.1748 days (HL = 0.6687 days)
Log BCF Arnot-Gobas method (upper trophic) = 2.413 (BCF = 259)
Log BAF Arnot-Gobas method (upper trophic) = 2.414 (BAF = 259.2)
log Kow used: 4.48 (estimated)
Volatilization from Water:
Henry LC: 0.000141 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 7.247 hours
Half-Life from Model Lake : 196.5 hours (8.189 days)
Removal In Wastewater Treatment:
Total removal: 56.83 percent
Total biodegradation: 0.50 percent
Total sludge adsorption: 53.50 percent
Total to Air: 2.84 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.0645 0.434 1000
Water 21.4 360 1000
Soil 78.1 720 1000
Sediment 0.437 3.24e+003 0
Persistence Time: 414 hr