1-Methyl-4-nitrosopiperazine

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

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

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  0.25
    Log Kow (Exper. database match) =  0.20
       Exper. Ref:  Hansch,C & Leo,A (1985)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  250.92  (Adapted Stein & Brown method)
    Melting Pt (deg C):  49.04  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.0248  (Modified Grain method)
    Subcooled liquid VP: 0.0413 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):  6.368e+005
       log Kow used: 0.20 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Aliphatic Amines

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.97E-010  atm-m3/mole
   Group Method:   4.35E-011  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  6.619E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.20  (exp database)
  Log Kaw used:  -7.612  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  7.812
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.0437
   Biowin2 (Non-Linear Model)     :   0.0133
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.2738  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.3919  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1178
   Biowin6 (MITI Non-Linear Model):   0.0000
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.7984
 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):  5.51 Pa (0.0413 mm Hg)
  Log Koa (Koawin est  ): 7.812
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  5.45E-007 
       Octanol/air (Koa) model:  1.59E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.97E-005 
       Mackay model           :  4.36E-005 
       Octanol/air (Koa) model:  0.00127 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 110.0009 E-12 cm3/molecule-sec
      Half-Life =     0.097 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.167 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 3.16E-005 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  200.7
      Log Koc:  2.303 

 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 = 0.500 (BCF = 3.162)
       log Kow used: 0.20 (expkow database)

 Volatilization from Water:
    Henry LC:  4.35E-011 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:  1.53E+007  hours   (6.373E+005 days)
    Half-Life from Model Lake : 1.669E+008  hours   (6.953E+006 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       0.0006          2.33         1000       
   Water     45.4            900          1000       
   Soil      54.5            1.8e+003     1000       
   Sediment  0.0885          8.1e+003     0          
     Persistence Time: 985 hr