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CAS Number: 36901-87-8

SMILES : C1C(CNC1C(=O)O)O

CHEM : 4-hydroxypyrrolidine-2-carboxylic acid

MOL FOR: C5 H9 N1 O3

MOL WT : 131.13

------------------------------ 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) = -2.69

Log Kow (Exper. database match) = -3.17

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

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

Boiling Pt (deg C): 378.61 (Adapted Stein & Brown method)

Melting Pt (deg C): 271.40 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 1.41E-009 (Modified Grain method)

VP (Pa, 25 deg C) : 1.88E-007 (Modified Grain method)

MP (exp database): 274 deg C

Subcooled liquid VP: 7.8E-007 mm Hg (25 deg C, Mod-Grain method)

: 0.000104 Pa (25 deg C, Mod-Grain method)

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

Water Solubility at 25 deg C (mg/L): 3.947e+005

log Kow used: -3.17 (expkow database)

no-melting pt equation used

Water Sol (Exper. database match) = 3.61e+005 mg/L (25 deg C)

Exper. Ref: MERCK INDEX (1996)

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 2.5105e+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 : 7.01E-014 atm-m3/mole (7.11E-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: 6.164E-016 atm-m3/mole (6.245E-011 Pa-m3/mole)

VP: 1.41E-009 mm Hg (source: MPBPVP)

WS: 3.95E+005 mg/L (source: WSKOWWIN)

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

Log Kow used: -3.17 (exp database)

Log Kaw used: -11.543 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 8.373

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 1.0704

Biowin2 (Non-Linear Model) : 0.9823

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.4584 (days-weeks )

Biowin4 (Primary Survey Model) : 4.2168 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.7620

Biowin6 (MITI Non-Linear Model): 0.6918

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 1.1718

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): 0.000104 Pa (7.8E-007 mm Hg)

Log Koa (Koawin est ): 8.373

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

Mackay model : 0.0288

Octanol/air (Koa) model: 5.79E-005

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.51

Mackay model : 0.698

Octanol/air (Koa) model: 0.00461

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 88.6286 E-12 cm3/molecule-sec

Half-Life = 0.121 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 1.448 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

0.604 (Junge-Pankow, Mackay avg)

0.00461 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 1 L/kg (MCI method)

Log Koc: 0.000 (MCI method)

Koc : 0.008857 L/kg (Kow method)

Log Koc: -2.053 (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) = -1.9044 days (HL = 0.01246 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: -3.17 (expkow database)

Volatilization from Water:

Henry LC: 7.01E-014 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 9.564E+009 hours (3.985E+008 days)

Half-Life from Model Lake : 1.043E+011 hours (4.347E+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 8.15e-006 2.9 1000

Water 33.5 208 1000

Soil 66.5 416 1000

Sediment 0.0592 1.87e+003 0

Persistence Time: 391 hr

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