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CAS Num: 001310-73-2

SMILES : [Na]O

CHEM : Sodium hydroxide

MOL FOR: H1 O1 Na1

MOL WT : 40.00

------------------------------ EPI SUMMARY (v4.00) --------------------------

Physical Property Inputs:

Water Solubility (mg/L): ------

Vapor Pressure (mm Hg) : ------

Henry LC (atm-m3/mole) : ------

Log Kow (octanol-water): ------

Boiling Point (deg C) : ------

Melting Point (deg C) : ------

Log Octanol-Water Partition Coef (SRC):

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

Log Kow (KOWWIN v1.67 estimate) = -3.88

Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):

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

*** WARNING: Estimations NOT VALID ***

Boiling Pt (deg C): 730.32 (Adapted Stein & Brown method)

Melting Pt (deg C): 320.19 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 4.9E-021 (Modified Grain method)

VP (Pa, 25 deg C) : 6.53E-019 (Modified Grain method)

MP (exp database): 318 deg C

VP (exp database): 1.82E-21 mm Hg (2.43E-019 Pa) at 25 deg C

Subcooled liquid VP: 1.44E-018 mm Hg (25 deg C, exp database VP )

: 1.92E-016 Pa (25 deg C, exp database VP )

Water Solubility Estimate from Log Kow (WSKOW v1.41):

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

Water Solubility at 25 deg C (mg/L): 1e+006

log Kow used: -3.88 (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) = 1e+006 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 : 8.45E-009 atm-m3/mole (8.56E-004 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: 2.579E-028 atm-m3/mole (2.613E-023 Pa-m3/mole)

VP: 4.9E-021 mm Hg (source: MPBPVP)

WS: 1E+006 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: -3.88 (KowWin est)

Log Kaw used: -6.462 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 2.582

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) : 0.7390

Biowin2 (Non-Linear Model) : 0.9401

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.1594 (weeks )

Biowin4 (Primary Survey Model) : 3.8217 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.6585

Biowin6 (MITI Non-Linear Model): 0.8814

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.8361

Ready Biodegradability Prediction: YES

Hydrocarbon Biodegradation (BioHCwin v1.01):

Structure incompatible with current estimation method!

Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:

Vapor pressure (liquid/subcooled): 1.92E-016 Pa (1.44E-018 mm Hg)

Log Koa (Koawin est ): 2.582

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

Mackay model : 1.56E+010

Octanol/air (Koa) model: 9.38E-011

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 1

Mackay model : 1

Octanol/air (Koa) model: 7.5E-009

Atmospheric Oxidation (25 deg C) [AopWin v1.92]:

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 0.1400 E-12 cm3/molecule-sec

Half-Life = 76.400 Days (12-hr day; 1.5E6 OH/cm3)

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

1 (Junge-Pankow, Mackay avg)

7.5E-009 (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 : 0.0004287 L/kg (Kow method)

Log Koc: -3.368 (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 v3.00):

Log BCF from regression-based method = 0.500 (BCF = 3.162 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -2.0638 days (HL = 0.008634 days)

Log BCF Arnot-Gobas method (upper trophic) = -0.049 (BCF = 0.8941)

Log BAF Arnot-Gobas method (upper trophic) = -0.049 (BAF = 0.8941)

log Kow used: -1.38 (estimated)

Volatilization from Water:

Henry LC: 8.45E-009 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 4.382E+004 hours (1826 days)

Half-Life from Model Lake : 4.781E+005 hours (1.992E+004 days)

Removal In Wastewater Treatment:

Total removal: 1.85 percent

Total biodegradation: 0.09 percent

Total sludge adsorption: 1.75 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 1.41 1.83e+003 1000

Water 30.1 360 1000

Soil 68.4 720 1000

Sediment 0.0719 3.24e+003 0

Persistence Time: 593 hr

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