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CAS Number: 142-73-4
SMILES : O=C(O)CNCC(=O)O
CHEM : Glycine, N-(carboxymethyl)-
MOL FOR: C4 H7 N1 O4
MOL WT : 133.10
------------------------------ 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) = -3.27
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 345.66 (Adapted Stein & Brown method)
Melting Pt (deg C): 206.20 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 6.42E-007 (Modified Grain method)
VP (Pa, 25 deg C) : 8.56E-005 (Modified Grain method)
MP (exp database): 247.5 deg C
Subcooled liquid VP: 0.000167 mm Hg (25 deg C, Mod-Grain method)
: 0.0223 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 4.758e+005
log Kow used: -3.27 (estimated)
no-melting pt equation used
Water Sol (Exper. database match) = 2.37e+004 mg/L (5 deg C)
Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 8.8624e+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 : 3.66E-013 atm-m3/mole (3.71E-008 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: 2.363E-013 atm-m3/mole (2.394E-008 Pa-m3/mole)
VP: 6.42E-007 mm Hg (source: MPBPVP)
WS: 4.76E+005 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: -3.27 (KowWin est)
Log Kaw used: -10.825 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 7.555
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.9834
Biowin2 (Non-Linear Model) : 0.9711
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.6587 (days-weeks )
Biowin4 (Primary Survey Model) : 4.4701 (hours-days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.8106
Biowin6 (MITI Non-Linear Model): 0.8215
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 1.4389
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): 0.0223 Pa (0.000167 mm Hg)
Log Koa (Koawin est ): 7.555
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 0.000135
Octanol/air (Koa) model: 8.81E-006
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.00484
Mackay model : 0.0107
Octanol/air (Koa) model: 0.000704
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 77.0693 E-12 cm3/molecule-sec
Half-Life = 0.139 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 1.665 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.00775 (Junge-Pankow, Mackay avg)
0.000704 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 5.015 L/kg (MCI method)
Log Koc: 0.700 (MCI method)
Koc : 0.02011 L/kg (Kow method)
Log Koc: -1.697 (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) = -1.6690 days (HL = 0.02143 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: -3.27 (estimated)
Volatilization from Water:
Henry LC: 3.66E-013 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 1.846E+009 hours (7.69E+007 days)
Half-Life from Model Lake : 2.013E+010 hours (8.389E+008 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 1.27e-005 3.33 1000
Water 30.5 208 1000
Soil 69.4 416 1000
Sediment 0.0586 1.87e+003 0
Persistence Time: 404 hr