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CAS Number: 26896-20-8
SMILES : O=C(C(CCC(C)C)(CC)C)(O)
CHEM : Neodecanoic acid
MOL FOR: C10 H20 O2
MOL WT : 172.27
------------------------------ EPI SUMMARY (v4.11) --------------------------
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) = 3.83
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 252.05 (Adapted Stein & Brown method)
Melting Pt (deg C): 48.11 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.0147 (Modified Grain method)
VP (Pa, 25 deg C) : 1.96 (Modified Grain method)
Subcooled liquid VP: 0.0239 mm Hg (25 deg C, Mod-Grain method)
: 3.19 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 79.69
log Kow used: 3.83 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 461.52 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Neutral Organics-acid
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 5.28E-006 atm-m3/mole (5.35E-001 Pa-m3/mole)
Group Method: Incomplete
For Henry LC Comparison Purposes:
User-Entered Henry LC: not entered
Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
HLC: 4.181E-005 atm-m3/mole (4.237E+000 Pa-m3/mole)
VP: 0.0147 mm Hg (source: MPBPVP)
WS: 79.7 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 3.83 (KowWin est)
Log Kaw used: -3.666 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 7.496
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.5543
Biowin2 (Non-Linear Model) : 0.3734
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.9710 (weeks )
Biowin4 (Primary Survey Model) : 3.8313 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.5476
Biowin6 (MITI Non-Linear Model): 0.5872
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.2825
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): 3.19 Pa (0.0239 mm Hg)
Log Koa (Koawin est ): 7.496
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 9.41E-007
Octanol/air (Koa) model: 7.69E-006
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 3.4E-005
Mackay model : 7.53E-005
Octanol/air (Koa) model: 0.000615
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 7.5502 E-12 cm3/molecule-sec
Half-Life = 1.417 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 17.000 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
5.47E-005 (Junge-Pankow, Mackay avg)
0.000615 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 63.19 L/kg (MCI method)
Log Koc: 1.801 (MCI method)
Koc : 188 L/kg (Kow method)
Log Koc: 2.274 (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 = 0.500 (BCF = 3.162 L/kg wet-wt)
Log Biotransformation Half-life (HL) = 0.1422 days (HL = 1.387 days)
Log BCF Arnot-Gobas method (upper trophic) = 2.507 (BCF = 321)
Log BAF Arnot-Gobas method (upper trophic) = 2.507 (BAF = 321.3)
log Kow used: 3.83 (estimated)
Volatilization from Water:
Henry LC: 5.28E-006 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 146.9 hours (6.12 days)
Half-Life from Model Lake : 1712 hours (71.35 days)
Removal In Wastewater Treatment:
Total removal: 23.15 percent
Total biodegradation: 0.26 percent
Total sludge adsorption: 22.66 percent
Total to Air: 0.23 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 2.57 34 1000
Water 29.2 360 1000
Soil 68.1 720 1000
Sediment 0.129 3.24e+003 0
Persistence Time: 437 hr