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CAS Number:
SMILES : CC(CCCCCCCCCCCC)CCCC(=O)(C)
CHEM : 6-methyl-2-octadecanone
MOL FOR: C19 H38 O1
MOL WT : 282.51
------------------------------ 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) = 7.55
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 338.28 (Adapted Stein & Brown method)
Melting Pt (deg C): 74.76 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.000171 (Modified Grain method)
VP (Pa, 25 deg C) : 0.0228 (Modified Grain method)
Subcooled liquid VP: 0.000505 mm Hg (25 deg C, Mod-Grain method)
: 0.0673 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 0.005539
log Kow used: 7.55 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 0.005576 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 4.61E-003 atm-m3/mole (4.67E+002 Pa-m3/mole)
Group Method: 1.20E-002 atm-m3/mole (1.21E+003 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: 1.148E-002 atm-m3/mole (1.163E+003 Pa-m3/mole)
VP: 0.000171 mm Hg (source: MPBPVP)
WS: 0.00554 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 7.55 (KowWin est)
Log Kaw used: -0.725 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 8.275
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.7283
Biowin2 (Non-Linear Model) : 0.5957
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.8507 (weeks )
Biowin4 (Primary Survey Model) : 3.6870 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.6318
Biowin6 (MITI Non-Linear Model): 0.7640
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.0858
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): 0.0673 Pa (0.000505 mm Hg)
Log Koa (Koawin est ): 8.275
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 4.46E-005
Octanol/air (Koa) model: 4.62E-005
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.00161
Mackay model : 0.00355
Octanol/air (Koa) model: 0.00369
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 25.4060 E-12 cm3/molecule-sec
Half-Life = 0.421 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 5.052 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.00258 (Junge-Pankow, Mackay avg)
0.00369 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 3.225E+004 L/kg (MCI method)
Log Koc: 4.509 (MCI method)
Koc : 1.981E+005 L/kg (Kow method)
Log Koc: 5.297 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Rate constants can NOT be estimated for this structure!
Bioaccumulation Estimates (BCFBAF v3.01):
Log BCF from regression-based method = 3.258 (BCF = 1813 L/kg wet-wt)
Log Biotransformation Half-life (HL) = 0.7954 days (HL = 6.243 days)
Log BCF Arnot-Gobas method (upper trophic) = 2.471 (BCF = 296)
Log BAF Arnot-Gobas method (upper trophic) = 3.988 (BAF = 9734)
log Kow used: 7.55 (estimated)
Volatilization from Water:
Henry LC: 0.012 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 1.797 hours
Half-Life from Model Lake : 160.5 hours (6.689 days)
Removal In Wastewater Treatment:
Total removal: 94.02 percent
Total biodegradation: 0.77 percent
Total sludge adsorption: 92.99 percent
Total to Air: 0.25 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 1.22 10.1 1000
Water 19.3 360 1000
Soil 72.9 720 1000
Sediment 6.57 3.24e+003 0
Persistence Time: 446 hr