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CAS Number: 138495-42-8
SMILES : C(F)(F)(F)C(F)C(F)C(F)(F)C(F)(F)F
CHEM : 1,1,1,2,2,3,4,5,5,5-Decafluoropentane
MOL FOR: C5 H2 F10
MOL WT : 252.06
------------------------------ 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) = 3.84
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 14.70 (Adapted Stein & Brown method)
Melting Pt (deg C): -124.48 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 1.09E+003 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 1.45E+005 (Mean VP of Antoine & Grain methods)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 2.204
log Kow used: 3.84 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 0.72236 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 2.22E+002 atm-m3/mole (2.25E+007 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: 1.144E+002 atm-m3/mole (1.159E+007 Pa-m3/mole)
VP: 1.09E+003 mm Hg (source: MPBPVP)
WS: 2.2 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 3.84 (KowWin est)
Log Kaw used: 3.958 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): -0.118
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : -0.5972
Biowin2 (Non-Linear Model) : 0.0000
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 1.4041 (recalcitrant)
Biowin4 (Primary Survey Model) : 2.7818 (weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.1023
Biowin6 (MITI Non-Linear Model): 0.0000
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.1702
Ready Biodegradability Prediction: NO
Hydrocarbon Biodegradation (BioHCwin v1.01):
Structure incompatible with current estimation method!
Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 1.45E+005 Pa (1.09E+003 mm Hg)
Log Koa (Koawin est ): -0.118
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 2.06E-011
Octanol/air (Koa) model: 1.87E-013
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 7.46E-010
Mackay model : 1.65E-009
Octanol/air (Koa) model: 1.5E-011
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 0.0034 E-12 cm3/molecule-sec
Half-Life = 3138.210 Days (12-hr day; 1.5E6 OH/cm3)
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
1.2E-009 (Junge-Pankow, Mackay avg)
1.5E-011 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 7798 L/kg (MCI method)
Log Koc: 3.892 (MCI method)
Koc : 2149 L/kg (Kow method)
Log Koc: 3.332 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 9.324E-007 L/mol-sec
Kb Half-Life at pH 8: 2.355E+004 years
Kb Half-Life at pH 7: 2.355E+005 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.01):
Log BCF from regression-based method = 2.199 (BCF = 158.2 L/kg wet-wt)
Log Biotransformation Half-life (HL) = 0.6975 days (HL = 4.983 days)
Log BCF Arnot-Gobas method (upper trophic) = 2.729 (BCF = 536.3)
Log BAF Arnot-Gobas method (upper trophic) = 2.733 (BAF = 540.6)
log Kow used: 3.84 (estimated)
Volatilization from Water:
Henry LC: 222 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 1.62 hours
Half-Life from Model Lake : 150.8 hours (6.283 days)
Removal In Wastewater Treatment (recommended maximum 95%):
Total removal: 100.00 percent
Total biodegradation: 0.05 percent
Total sludge adsorption: 13.06 percent
Total to Air: 86.89 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 34.1 7.55e+004 1000
Water 34.8 4.32e+003 1000
Soil 0.284 8.64e+003 1000
Sediment 30.8 3.89e+004 0
Persistence Time: 261 hr