This page contains the EPI System Summary only.
For complete control of this information -
Download the free EPI SuiteTM v4.0 program : here
also you can go back to the Datasheet
CAS Number: 116-14-3
SMILES : FC(F)=C(F)F
CHEM : Ethene, tetrafluoro-
MOL FOR: C2 F4
MOL WT : 100.02
------------------------------ 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) = 1.21
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): -31.60 (Adapted Stein & Brown method)
Melting Pt (deg C): -161.81 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 1.42E+004 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 1.9E+006 (Mean VP of Antoine & Grain methods)
MP (exp database): -142.5 deg C
BP (exp database): -75.9 deg C
VP (exp database): 2.45E+04 mm Hg (3.27E+006 Pa) at 25 deg C
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 1.074e+004
log Kow used: 1.21 (estimated)
no-melting pt equation used
Water Sol (Exper. database match) = 159 mg/L (25 deg C)
Exper. Ref: HORVATH,AL (1982)
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 19790 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 8.28E-001 atm-m3/mole (8.39E+004 Pa-m3/mole)
Group Method: Incomplete
Exper Database: 6.29E-01 atm-m3/mole (6.37E+004 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: 9.313E-003 atm-m3/mole (9.436E+002 Pa-m3/mole)
VP: 1.42E+004 mm Hg (source: MPBPVP)
WS: 1.07E+004 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 1.21 (KowWin est)
Log Kaw used: 1.410 (exp database)
Log Koa (KOAWIN v1.10 estimate): -0.200
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.6999
Biowin2 (Non-Linear Model) : 0.8304
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.9781 (weeks )
Biowin4 (Primary Survey Model) : 3.7034 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.4841
Biowin6 (MITI Non-Linear Model): 0.0000
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.8361
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): 3.27E+006 Pa (2.45E+004 mm Hg)
Log Koa (Koawin est ): -0.200
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 9.18E-013
Octanol/air (Koa) model: 1.55E-013
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 3.32E-011
Mackay model : 7.35E-011
Octanol/air (Koa) model: 1.24E-011
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 0.2139 E-12 cm3/molecule-sec
Half-Life = 49.998 Days (12-hr day; 1.5E6 OH/cm3)
Ozone Reaction:
OVERALL Ozone Rate Constant = 0.004480 E-17 cm3/molecule-sec
Half-Life = 255.803 Days (at 7E11 mol/cm3)
Fraction sorbed to airborne particulates (phi):
5.33E-011 (Junge-Pankow, Mackay avg)
1.24E-011 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 94.94 L/kg (MCI method)
Log Koc: 1.977 (MCI method)
Koc : 11.21 L/kg (Kow method)
Log Koc: 1.050 (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 = 0.468 (BCF = 2.939 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.3169 days (HL = 0.4821 days)
Log BCF Arnot-Gobas method (upper trophic) = 0.406 (BCF = 2.545)
Log BAF Arnot-Gobas method (upper trophic) = 0.406 (BAF = 2.545)
log Kow used: 1.21 (estimated)
Volatilization from Water:
Henry LC: 0.629 atm-m3/mole (Henry experimental database)
Half-Life from Model River: 1.021 hours
Half-Life from Model Lake : 95 hours (3.958 days)
Removal In Wastewater Treatment (recommended maximum 95%):
Total removal: 99.59 percent
Total biodegradation: 0.02 percent
Total sludge adsorption: 0.29 percent
Total to Air: 99.28 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 54.7 856 1000
Water 44.3 360 1000
Soil 0.726 720 1000
Sediment 0.251 3.24e+003 0
Persistence Time: 139 hr