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CAS Number: 14960-06-6


CHEM : -Alanine, N-(2-carboxyethyl)-N-dodecyl-, monosodium salt

MOL FOR: C18 H34 N1 O4 Na1

MOL WT : 351.47

------------------------------ 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) = -2.08

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

Boiling Pt (deg C): 736.78 (Adapted Stein & Brown method)

Melting Pt (deg C): 341.52 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 4.28E-018 (Modified Grain method)

VP (Pa, 25 deg C) : 5.71E-016 (Modified Grain method)

Subcooled liquid VP: 1.71E-014 mm Hg (25 deg C, Mod-Grain method)

: 2.28E-012 Pa (25 deg C, Mod-Grain method)

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

Water Solubility at 25 deg C (mg/L): 3084

log Kow used: -2.08 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 13.785 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Aliphatic Amines-acid

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

Bond Method : 8.07E-014 atm-m3/mole (8.17E-009 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: 6.418E-022 atm-m3/mole (6.503E-017 Pa-m3/mole)

VP: 4.28E-018 mm Hg (source: MPBPVP)

WS: 3.08E+003 mg/L (source: WSKOWWIN)

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

Log Kow used: -2.08 (KowWin est)

Log Kaw used: -11.482 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 9.402

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.6392

Biowin2 (Non-Linear Model) : 0.3180

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.2438 (weeks )

Biowin4 (Primary Survey Model) : 4.1246 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.7511

Biowin6 (MITI Non-Linear Model): 0.7120

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.1273

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): 2.28E-012 Pa (1.71E-014 mm Hg)

Log Koa (Koawin est ): 9.402

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

Mackay model : 1.32E+006

Octanol/air (Koa) model: 0.000619

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 1

Mackay model : 1

Octanol/air (Koa) model: 0.0472

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 113.8234 E-12 cm3/molecule-sec

Half-Life = 0.094 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 1.128 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

1 (Junge-Pankow, Mackay avg)

0.0472 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 1.262E+004 L/kg (MCI method)

Log Koc: 4.101 (MCI method)

Koc : 0.08707 L/kg (Kow method)

Log Koc: -1.060 (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) = -1.8470 days (HL = 0.01422 days)

Log BCF Arnot-Gobas method (upper trophic) = 0.143 (BCF = 1.39)

Log BAF Arnot-Gobas method (upper trophic) = 0.143 (BAF = 1.39)

log Kow used: 1.15 (estimated)

Volatilization from Water:

Henry LC: 8.07E-014 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 1.36E+010 hours (5.667E+008 days)

Half-Life from Model Lake : 1.484E+011 hours (6.182E+009 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 0.182 2.26 1000

Water 21.2 360 1000

Soil 70.7 720 1000

Sediment 7.91 3.24e+003 0

Persistence Time: 527 hr

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