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CAS Number: 616-45-5

SMILES : O=C(NCC1)C1

CHEM : 2-Pyrrolidinone

MOL FOR: C4 H7 N1 O1

MOL WT : 85.11

------------------------------ EPI SUMMARY (v4.11) --------------------------

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) = -0.32

Log Kow (Exper. database match) = -0.85

Exper. Ref: SASAKI,H ET AL. (1991)

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

Boiling Pt (deg C): 236.40 (Adapted Stein & Brown method)

Melting Pt (deg C): 46.42 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.0355 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 4.74 (Mean VP of Antoine & Grain methods)

MP (exp database): 23 deg C

BP (exp database): 245 deg C

VP (exp database): 9.49E-03 mm Hg (1.27E+000 Pa) at 25 deg C

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

Water Solubility at 25 deg C (mg/L): 6.797e+005

log Kow used: -0.85 (expkow database)

no-melting pt equation used

Water Sol (Exper. database match) = 1e+006 mg/L (20 deg C)

Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 1e+006 mg/L

ECOSAR Class Program (ECOSAR v1.11):

Class(es) found:

Amides

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

Bond Method : 1.44E-008 atm-m3/mole (1.46E-003 Pa-m3/mole)

Group Method: Incomplete

Exper Database: 1.06E-09 atm-m3/mole (1.07E-004 Pa-m3/mole)

For Henry LC Comparison Purposes:

User-Entered Henry LC: not entered

Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:

HLC: 5.849E-009 atm-m3/mole (5.926E-004 Pa-m3/mole)

VP: 0.0355 mm Hg (source: MPBPVP)

WS: 6.8E+005 mg/L (source: WSKOWWIN)

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

Log Kow used: -0.85 (exp database)

Log Kaw used: -7.363 (exp database)

Log Koa (KOAWIN v1.10 estimate): 6.513

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.9172

Biowin2 (Non-Linear Model) : 0.9889

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.9569 (weeks )

Biowin4 (Primary Survey Model) : 3.9304 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.6448

Biowin6 (MITI Non-Linear Model): 0.8408

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): -0.0918

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): 1.27 Pa (0.00949 mm Hg)

Log Koa (Koawin est ): 6.513

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

Mackay model : 2.37E-006

Octanol/air (Koa) model: 8E-007

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 8.56E-005

Mackay model : 0.00019

Octanol/air (Koa) model: 6.4E-005

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 11.9334 E-12 cm3/molecule-sec

Half-Life = 0.896 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 10.756 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

0.000138 (Junge-Pankow, Mackay avg)

6.4E-005 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 7.377 L/kg (MCI method)

Log Koc: 0.868 (MCI method)

Koc : 2.688 L/kg (Kow method)

Log Koc: 0.429 (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) = -2.3230 days (HL = 0.004753 days)

Log BCF Arnot-Gobas method (upper trophic) = -0.048 (BCF = 0.8957)

Log BAF Arnot-Gobas method (upper trophic) = -0.048 (BAF = 0.8957)

log Kow used: -0.85 (expkow database)

Volatilization from Water:

Henry LC: 1.06E-009 atm-m3/mole (Henry experimental database)

Half-Life from Model River: 5.096E+005 hours (2.123E+004 days)

Half-Life from Model Lake : 5.559E+006 hours (2.316E+005 days)

Removal In Wastewater Treatment:

Total removal: 1.85 percent

Total biodegradation: 0.09 percent

Total sludge adsorption: 1.76 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 0.0228 21.5 1000

Water 32.2 360 1000

Soil 67.7 720 1000

Sediment 0.0689 3.24e+003 0

Persistence Time: 624 hr

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