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This page contains the EPI System Summary only.
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CAS Number: 7440-57-5

SMILES : [Au]

CHEM : Gold

MOL FOR: H1 Au1

MOL WT : 197.97

------------------------------ 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) = 0.73

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): 0 (Modified Grain method)

VP (Pa, 25 deg C) : 0 (Modified Grain method)

MP (exp database): 1064 deg C

BP (exp database): 2700 deg C

Subcooled liquid VP: 0 mm Hg (25 deg C, Mod-Grain method)

: 0 Pa (25 deg C, Mod-Grain method)

Water Solubility Estimate from Log Kow (WSKOW v1.42):

*** WARNING: Inorganic Compound (Outside Estimation Domain)**

Water Solubility at 25 deg C (mg/L): 1.069e+004

log Kow used: 0.73 (estimated)

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) = 3.5142e+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]:

not available

Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:

*** WARNING: Inorganic Compound (Outside Estimation Domain)**

*** WARNING: Estimation NOT VALID ***

Log Kow used: 0.73 (KowWin est)

Log Kaw used: 0.001 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 0.729

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) : 0.6533

Biowin2 (Non-Linear Model) : 0.5492

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.7617 (weeks )

Biowin4 (Primary Survey Model) : 3.5621 (days-weeks )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.1232

Biowin6 (MITI Non-Linear Model): 0.0396

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): -99 Pa (0 mm Hg)

Log Koa (Koawin est ): 0.729

Kp (particle/gas partition coef. (m3/ug)):

Mackay model : not available

Octanol/air (Koa) model: 1.32E-012

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : not available

Mackay model : not available

Octanol/air (Koa) model: 1.05E-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):

1.05E-010 (Koa method)

1.05E-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 : 4.297 L/kg (Kow method)

Log Koc: 0.633 (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) = -1.8207 days (HL = 0.01511 days)

Log BCF Arnot-Gobas method (upper trophic) = 0.042 (BCF = 1.102)

Log BAF Arnot-Gobas method (upper trophic) = 0.042 (BAF = 1.102)

log Kow used: 0.73 (estimated)

Volatilization from Water:

Henry LC: 0.0245 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 1.469 hours

Half-Life from Model Lake : 134 hours (5.584 days)

Removal In Wastewater Treatment:

Total removal: 90.51 percent

Total biodegradation: 0.02 percent

Total sludge adsorption: 0.41 percent

Total to Air: 90.08 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 36.6 1e+005 1000

Water 53.8 360 1000

Soil 9.45 720 1000

Sediment 0.128 3.24e+003 0

Persistence Time: 188 hr

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