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CAS Number: 7098-22-8
SMILES : C(CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC)C
CHEM : Tetratetracontane
MOL FOR: C44 H90
MOL WT : 619.21
------------------------------ 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) = 21.95
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 612.91 (Adapted Stein & Brown method)
Melting Pt (deg C): 257.87 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 1.48E-009 (Modified Grain method)
VP (Pa, 25 deg C) : 1.97E-007 (Modified Grain method)
MP (exp database): 87-88 deg C
BP (exp database): 548 deg C
Subcooled liquid VP: 5.82E-009 mm Hg (25 deg C, Mod-Grain method)
: 7.76E-007 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 6.279e-018
log Kow used: 21.95 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 6.1921e-007 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 8.10E+004 atm-m3/mole (8.20E+009 Pa-m3/mole)
Group Method: 8.48E+005 atm-m3/mole (8.59E+010 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: 1.298E+002 atm-m3/mole (1.315E+007 Pa-m3/mole)
VP: 1E-015 mm Hg (source: MPBPVP)
WS: 6.28E-018 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 21.95 (KowWin est)
Log Kaw used: 6.520 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 15.430
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.6696
Biowin2 (Non-Linear Model) : 0.1094
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.4275 (weeks-months)
Biowin4 (Primary Survey Model) : 3.4925 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.9463
Biowin6 (MITI Non-Linear Model): 0.9386
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 1.1331
Ready Biodegradability Prediction: NO
Hydrocarbon Biodegradation (BioHCwin v1.01):
LOG BioHC Half-Life (days) : 3.2626
BioHC Half-Life (days) : 1830.4327
Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 7.76E-007 Pa (5.82E-009 mm Hg)
Log Koa (Koawin est ): 15.430
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 3.87
Octanol/air (Koa) model: 661
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.993
Mackay model : 0.997
Octanol/air (Koa) model: 1
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 59.1541 E-12 cm3/molecule-sec
Half-Life = 0.181 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 2.170 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.995 (Junge-Pankow, Mackay avg)
1 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 1E+010 L/kg (MCI method)
Log Koc: 12.024 (MCI method)
Koc : 1.122E+019 L/kg (Kow method)
Log Koc: 19.050 (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) = 5.1955 days (HL = 1.569e+005 days)
Log BCF Arnot-Gobas method (upper trophic) = -0.049 (BCF = 0.893)
Log BAF Arnot-Gobas method (upper trophic) = -0.049 (BAF = 0.893)
log Kow used: 21.95 (estimated)
Volatilization from Water:
Henry LC: 8.1E+004 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 2.539 hours
Half-Life from Model Lake : 236.4 hours (9.848 days)
Removal In Wastewater Treatment:
Total removal: 94.04 percent
Total biodegradation: 0.78 percent
Total sludge adsorption: 93.26 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 0.793 4.34 1000
Water 45.4 900 1000
Soil 53.8 1.8e+003 1000
Sediment 6.08e-008 8.1e+003 0
Persistence Time: 425 hr