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CAS Number: 6303-21-5

SMILES : O=PO

CHEM : Phosphinic acid

MOL FOR: H1 O2 P1

MOL WT : 63.98

------------------------------ 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):

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

Log Kow (KOWWIN v1.68 estimate) = -1.72

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

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

*** WARNING: Estimations NOT VALID ***

Boiling Pt (deg C): 480.00 (Adapted Stein & Brown method)

Melting Pt (deg C): 90.27 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 1.78E-010 (Modified Grain method)

VP (Pa, 25 deg C) : 2.38E-008 (Modified Grain method)

Subcooled liquid VP: 7.58E-010 mm Hg (25 deg C, Mod-Grain method)

: 1.01E-007 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): 1e+006

log Kow used: -1.72 (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 v1.11):

Class(es) found:

Inorganic Compound

Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:

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

*** WARNING: Estimation NOT VALID **

Bond Method : 1.35E-007 atm-m3/mole (1.37E-002 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: 1.498E-017 atm-m3/mole (1.518E-012 Pa-m3/mole)

VP: 1.78E-010 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: -1.72 (KowWin est)

Log Kaw used: -5.258 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 3.538

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) : 0.7171

Biowin2 (Non-Linear Model) : 0.8909

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.0578 (weeks )

Biowin4 (Primary Survey Model) : 3.7554 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.5218

Biowin6 (MITI Non-Linear Model): 0.6634

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): 1.01E-007 Pa (7.58E-010 mm Hg)

Log Koa (Koawin est ): 3.538

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

Mackay model : 29.7

Octanol/air (Koa) model: 8.47E-010

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.999

Mackay model : 1

Octanol/air (Koa) model: 6.78E-008

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):

0.999 (Junge-Pankow, Mackay avg)

6.78E-008 (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 : 1 L/kg (MCI method)

Log Koc: 0.000 (MCI method)

Koc : 1.194 L/kg (Kow method)

Log Koc: 0.077 (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) = -2.2297 days (HL = 0.005892 days)

Log BCF Arnot-Gobas method (upper trophic) = -0.049 (BCF = 0.8934)

Log BAF Arnot-Gobas method (upper trophic) = -0.049 (BAF = 0.8934)

log Kow used: -1.72 (estimated)

Volatilization from Water:

Henry LC: 1.35E-007 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 3470 hours (144.6 days)

Half-Life from Model Lake : 3.792E+004 hours (1580 days)

Removal In Wastewater Treatment:

Total removal: 1.85 percent

Total biodegradation: 0.09 percent

Total sludge adsorption: 1.75 percent

Total to Air: 0.01 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 1.73 1.83e+003 1000

Water 38.9 360 1000

Soil 59.3 720 1000

Sediment 0.0728 3.24e+003 0

Persistence Time: 530 hr

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