ChemSpider 2D Image | 4-Isobutyl-2-pyrrolidinone | C8H15NO

4-Isobutyl-2-pyrrolidinone

  • Molecular FormulaC8H15NO
  • Average mass141.211 Da
  • Monoisotopic mass141.115356 Da
  • ChemSpider ID10627785

More details:






Validated by Experts, Validated by Users, Non-Validated, Removed by Users

2-Pyrrolidinone, 4-(2-methylpropyl)- [ACD/Index Name]
4-Isobutyl-2-pyrrolidinon [German] [ACD/IUPAC Name]
4-Isobutyl-2-pyrrolidinone [ACD/IUPAC Name]
4-Isobutyl-2-pyrrolidinone [French] [ACD/IUPAC Name]
(4RS)-4-(2-Methylpropyl)pyrrolidin-2-one (4-Isobutylpyrrolidin-2-one
(4RS)-4-(2-Methylpropyl)pyrrolidin-2-one (4-Isobutylpyrrolidin-2-one; (RS)-Pregabalin Lactam)
(rac)-4-isobutylpyrrolidin-2-one
(RS)-Pregabalin Lactam)
(S)-4-Isobutylpyrrolidin-2-one
[61312-87-6]
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Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Density: 0.9±0.1 g/cm3
Boiling Point: 269.1±9.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.6 mmHg at 25°C
Enthalpy of Vaporization: 50.7±3.0 kJ/mol
Flash Point: 152.3±3.7 °C
Index of Refraction: 1.445
Molar Refractivity: 40.5±0.3 cm3
#H bond acceptors: 2
#H bond donors: 1
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 0.45
ACD/LogD (pH 5.5): 1.25
ACD/BCF (pH 5.5): 5.23
ACD/KOC (pH 5.5): 113.77
ACD/LogD (pH 7.4): 1.25
ACD/BCF (pH 7.4): 5.23
ACD/KOC (pH 7.4): 113.77
Polar Surface Area: 29 Å2
Polarizability: 16.0±0.5 10-24cm3
Surface Tension: 28.0±3.0 dyne/cm
Molar Volume: 152.2±3.0 cm3

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  1.50

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  288.54  (Adapted Stein & Brown method)
    Melting Pt (deg C):  75.72  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00118  (Modified Grain method)
    Subcooled liquid VP: 0.00358 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  4334
       log Kow used: 1.50 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  24769 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Neutral Organics

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.46E-008  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.059E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.50  (KowWin est)
  Log Kaw used:  -5.739  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  7.239
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8905
   Biowin2 (Non-Linear Model)     :   0.9757
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8329  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8494  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4701
   Biowin6 (MITI Non-Linear Model):   0.5117
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.2314
 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):  0.477 Pa (0.00358 mm Hg)
  Log Koa (Koawin est  ): 7.239
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  6.28E-006 
       Octanol/air (Koa) model:  4.26E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000227 
       Mackay model           :  0.000503 
       Octanol/air (Koa) model:  0.00034 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  20.5256 E-12 cm3/molecule-sec
      Half-Life =     0.521 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     6.253 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.000365 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  150.4
      Log Koc:  2.177 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
    Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.455 (BCF = 2.851)
       log Kow used: 1.50 (estimated)

 Volatilization from Water:
    Henry LC:  4.46E-008 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:  1.56E+004  hours   (650 days)
    Half-Life from Model Lake : 1.703E+005  hours   (7095 days)

 Removal In Wastewater Treatment:
    Total removal:               1.98  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.88  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       0.553           12.5         1000       
   Water     32.8            360          1000       
   Soil      66.6            720          1000       
   Sediment  0.0779          3.24e+003    0          
     Persistence Time: 510 hr




                    

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