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CAS Number: 2068-80-6

SMILES : OC(=O)C(N)CC(=O)O[Mg]OC(=O)C(N)CC(=O)O

CHEM : L-Aspartic acid, magnesium salt (2:1)

MOL FOR: C8 H12 N2 O8 Mg1

MOL WT : 288.50

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

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 v1.67 estimate) = -7.59

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

Boiling Pt (deg C): 558.90 (Adapted Stein & Brown method)

Melting Pt (deg C): 315.55 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 4.64E-013 (Modified Grain method)

VP (Pa, 25 deg C) : 6.19E-011 (Modified Grain method)

Subcooled liquid VP: 8.59E-010 mm Hg (25 deg C, Mod-Grain method)

: 1.15E-007 Pa (25 deg C, Mod-Grain method)

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

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

log Kow used: -7.59 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 1e+006 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 : Incomplete

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: 1.761E-019 atm-m3/mole (1.785E-014 Pa-m3/mole)

VP: 4.64E-013 mm Hg (source: MPBPVP)

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

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

Can Not Estimate (can not calculate HenryLC)

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 1.0632

Biowin2 (Non-Linear Model) : 0.9182

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.3397 (days-weeks )

Biowin4 (Primary Survey Model) : 4.2892 (hours-days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.2802

Biowin6 (MITI Non-Linear Model): 0.0310

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 1.2845

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): 1.15E-007 Pa (8.59E-010 mm Hg)

Log Koa (): not available

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

Mackay model : 26.2

Octanol/air (Koa) model: not available

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.999

Mackay model : 1

Octanol/air (Koa) model: not available

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 67.7809 E-12 cm3/molecule-sec

Half-Life = 0.158 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 1.894 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

0.999 (Junge-Pankow, Mackay avg)

not available (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 10 L/kg (MCI method)

Log Koc: 1.000 (MCI method)

Koc : 2.853E-005 L/kg (Kow method)

Log Koc: -4.545 (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) = -3.3683 days (HL = 0.0004282 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: -7.59 (estimated)

Volatilization from Water:

Henry LC: 1.76E-019 atm-m3/mole (calculated from VP/WS)

Half-Life from Model River: 5.646E+015 hours (2.352E+014 days)

Half-Life from Model Lake : 6.159E+016 hours (2.566E+015 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 1.51e-008 3.79 1000

Water 28.1 208 1000

Soil 71.8 416 1000

Sediment 0.0592 1.87e+003 0

Persistence Time: 414 hr

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