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CAS Number: 14287-04-8

SMILES : N(H)(H)(H)(H)OC(=O)CCC

CHEM : BUTANOIC ACID, AMMONIUM SALT

MOL FOR: C4 H11 N1 O2

MOL WT : 105.14

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

Log Kow (KOWWIN v1.68 estimate) = -1.81

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

Boiling Pt (deg C): 338.71 (Adapted Stein & Brown method)

Melting Pt (deg C): 119.37 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 2.83E-005 (Modified Grain method)

VP (Pa, 25 deg C) : 0.00377 (Modified Grain method)

Subcooled liquid VP: 0.000244 mm Hg (25 deg C, Mod-Grain method)

: 0.0325 Pa (25 deg C, Mod-Grain method)

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

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

log Kow used: -1.81 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 21286 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Neutral Organics

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

Bond Method : 4.64E-015 atm-m3/mole (4.70E-010 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: 3.915E-012 atm-m3/mole (3.967E-007 Pa-m3/mole)

VP: 2.83E-005 mm Hg (source: MPBPVP)

WS: 1E+006 mg/L (source: WSKOWWIN)

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

Log Kow used: -1.81 (KowWin est)

Log Kaw used: -12.722 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 10.912

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.6975

Biowin2 (Non-Linear Model) : 0.8199

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.9668 (weeks )

Biowin4 (Primary Survey Model) : 3.6960 (days-weeks )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.4893

Biowin6 (MITI Non-Linear Model): 0.6511

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.3708

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): 0.0325 Pa (0.000244 mm Hg)

Log Koa (Koawin est ): 10.912

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

Mackay model : 9.22E-005

Octanol/air (Koa) model: 0.02

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.00332

Mackay model : 0.00732

Octanol/air (Koa) model: 0.616

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 1.6722 E-12 cm3/molecule-sec

Half-Life = 6.396 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 76.755 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

0.00532 (Junge-Pankow, Mackay avg)

0.616 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 5.243 L/kg (MCI method)

Log Koc: 0.720 (MCI method)

Koc : 0.4951 L/kg (Kow method)

Log Koc: -0.305 (Kow method)

Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:

Total Kb for pH > 8 at 25 deg C : 2.546E+000 L/mol-sec

Kb Half-Life at pH 8: 3.151 days

Kb Half-Life at pH 7: 31.505 days

(Total Kb applies only to esters, carbmates, alkyl halides)

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) = -2.0685 days (HL = 0.008541 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: -1.81 (estimated)

Volatilization from Water:

Henry LC: 4.64E-015 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 1.294E+011 hours (5.391E+009 days)

Half-Life from Model Lake : 1.411E+012 hours (5.881E+010 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 1.03e-007 154 1000

Water 33.6 360 1000

Soil 66.3 720 1000

Sediment 0.069 3.24e+003 0

Persistence Time: 616 hr

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