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CAS Number: 7440-63-3
SMILES : [Xe]
CHEM : Xenon
MOL FOR: Xe1
MOL WT : 131.29
------------------------------ 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):
*** WARNING: Inorganic Compound (Outside Estimation Domain)
Log Kow (KOWWIN v1.68 estimate) = 1.28
Log Kow (Exper. database match) = 1.28
Exper. Ref: HANSCH,C ET AL. (1995)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
*** WARNING: Inorganic Compound (Outside Estimate Domain) ***
*** WARNING: Estimations NOT VALID ***
Boiling Pt (deg C): 482.98 (Adapted Stein & Brown method)
Melting Pt (deg C): 188.60 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 3.59E+004 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 4.79E+006 (Mean VP of Antoine & Grain methods)
MP (exp database): < -108 deg C
BP (exp database): -108.1 deg C
Water Solubility Estimate from Log Kow (WSKOW v1.42):
*** WARNING: Inorganic Compound (Outside Estimation Domain)**
Water Solubility at 25 deg C (mg/L): 7334
log Kow used: 1.28 (expkow database)
no-melting pt equation used
Water Sol Estimate from Fragments:
*** WARNING: Inorganic Compound (Outside Estimation Domain)***
*** WARNING: Wat Sol Estimation NOT Valid ***
Wat Sol (v1.01 est) = 2.3305e+005 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
*** WARNING: Inorganic Compound (Outside Estimation Domain) **
*** WARNING: Estimation NOT VALID **
Bond Method : 2.45E-002 atm-m3/mole (2.48E+003 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: 1.790E-002 atm-m3/mole (1.814E+003 Pa-m3/mole)
VP: 3.59E+004 mm Hg (source: MPBPVP)
WS: 7.33E+003 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
*** WARNING: Inorganic Compound (Outside Estimation Domain)**
*** WARNING: Estimation NOT VALID ***
Log Kow used: 1.28 (exp database)
Log Kaw used: 0.001 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 1.279
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
*** WARNING: Inorganic Compound (Outside Estimation Domain)**
*** WARNING: Estimation NOT VALID ***
Biowin1 (Linear Model) : 0.6850
Biowin2 (Non-Linear Model) : 0.7585
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.9090 (weeks )
Biowin4 (Primary Survey Model) : 3.6583 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.3216
Biowin6 (MITI Non-Linear Model): 0.2202
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): 2.45E+006 Pa (1.84E+004 mm Hg)
Log Koa (Koawin est ): 1.279
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.22E-012
Octanol/air (Koa) model: 4.67E-012
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 4.42E-011
Mackay model : 9.78E-011
Octanol/air (Koa) model: 3.73E-010
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
*** WARNING: Inorganic Compound (Outside Estimation Domain)***
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 0.0000 E-12 cm3/molecule-sec
Half-Life = -------
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
7.1E-011 (Junge-Pankow, Mackay avg)
3.73E-010 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
*** WARNING: Inorganic Coumpound (Outside Estimation Domain) **
*** WARNING: Estimation NOT VALID **
Koc : 13.22 L/kg (MCI method)
Log Koc: 1.121 (MCI method)
Koc : 12.9 L/kg (Kow method)
Log Koc: 1.111 (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 = 0.512 (BCF = 3.247 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -1.4803 days (HL = 0.03309 days)
Log BCF Arnot-Gobas method (upper trophic) = 0.294 (BCF = 1.966)
Log BAF Arnot-Gobas method (upper trophic) = 0.294 (BAF = 1.966)
log Kow used: 1.28 (expkow database)
Volatilization from Water:
Henry LC: 0.0245 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 1.197 hours
Half-Life from Model Lake : 109.1 hours (4.547 days)
Removal In Wastewater Treatment:
Total removal: 90.51 percent
Total biodegradation: 0.02 percent
Total sludge adsorption: 0.44 percent
Total to Air: 90.05 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 55.7 1e+005 1000
Water 42.3 360 1000
Soil 1.85 720 1000
Sediment 0.101 3.24e+003 0
Persistence Time: 146 hr