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CAS Num: 000056-86-0


CHEM : L-Glutamic acid

MOL FOR: C5 H9 N1 O4

MOL WT : 147.13

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

Log Kow (KOWWIN v1.67 estimate) = -3.83

Log Kow (Exper. database match) = -3.69

Exper. Ref: HANSCH,C ET AL. (1995)

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

Boiling Pt (deg C): 359.34 (Adapted Stein & Brown method)

Melting Pt (deg C): 228.35 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 1.1E-006 (Modified Grain method)

VP (Pa, 25 deg C) : 0.000146 (Modified Grain method)

MP (exp database): 201.0 deg C

VP (exp database): 1.70E-08 mm Hg (2.27E-006 Pa) at 25 deg C

Subcooled liquid VP: 9.36E-007 mm Hg (25 deg C, exp database VP )

: 0.000125 Pa (25 deg C, exp database VP )

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

Water Solubility at 25 deg C (mg/L): 9.416e+005

log Kow used: -3.69 (expkow database)

no-melting pt equation used

Water Sol (Exper. database match) = 8570 mg/L (25 deg C)

Exper. Ref: BULL,HB ET AL. (1978)

Water Sol (Exper. database match) = 2.05e+004 mg/L (25 deg C)

Exper. Ref: HORN,AS (1981)

Water Sol (Exper. database match) = 8880 mg/L (25 deg C)


Water Sol (Exper. database match) = 1.5e+004 mg/L (20 deg C)


Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 1.9609e+005 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 : 1.47E-014 atm-m3/mole (1.49E-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: 2.262E-013 atm-m3/mole (2.292E-008 Pa-m3/mole)

VP: 1.1E-006 mm Hg (source: MPBPVP)

WS: 9.42E+005 mg/L (source: WSKOWWIN)

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

Log Kow used: -3.69 (exp database)

Log Kaw used: -12.221 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 8.531

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.9767

Biowin2 (Non-Linear Model) : 0.9650

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.6277 (days-weeks )

Biowin4 (Primary Survey Model) : 4.4499 (hours-days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.7182

Biowin6 (MITI Non-Linear Model): 0.7354

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 1.2730

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): 0.000125 Pa (9.36E-007 mm Hg)

Log Koa (Koawin est ): 8.531

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

Mackay model : 0.024

Octanol/air (Koa) model: 8.34E-005

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.465

Mackay model : 0.658

Octanol/air (Koa) model: 0.00663

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 40.9584 E-12 cm3/molecule-sec

Half-Life = 0.261 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 3.134 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

0.561 (Junge-Pankow, Mackay avg)

0.00663 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 13.4 L/kg (MCI method)

Log Koc: 1.127 (MCI method)

Koc : 0.01238 L/kg (Kow method)

Log Koc: -1.907 (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) = -2.0240 days (HL = 0.009463 days)

Log BCF Arnot-Gobas method (upper trophic) = -0.049 (BCF = 0.893)

Log BAF Arnot-Gobas method (upper trophic) = -0.049 (BAF = 0.893)

log Kow used: -3.69 (expkow database)

Volatilization from Water:

Henry LC: 1.47E-014 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 4.831E+010 hours (2.013E+009 days)

Half-Life from Model Lake : 5.27E+011 hours (2.196E+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 4.82e-007 6.27 1000

Water 26.9 208 1000

Soil 73 416 1000

Sediment 0.0601 1.87e+003 0

Persistence Time: 420 hr

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