ChemSpider 2D Image | 4-Thioxotetrahydro-2(1H)-pyrimidinone | C4H6N2OS

4-Thioxotetrahydro-2(1H)-pyrimidinone

  • Molecular FormulaC4H6N2OS
  • Average mass130.168 Da
  • Monoisotopic mass130.020081 Da
  • ChemSpider ID2298659

More details:

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

2(1H)-Pyrimidinone, tetrahydro-4-thioxo- [ACD/Index Name]
225-481-6 [EINECS]
4874-14-0 [RN]
4-Thioxotetrahydro-2(1H)-pyrimidinon [German] [ACD/IUPAC Name]
4-Thioxotetrahydro-2(1H)-pyrimidinone [ACD/IUPAC Name]
4-Thioxotétrahydro-2(1H)-pyrimidinone [French] [ACD/IUPAC Name]
4-Thioxotetrahydropyrimidin-2(1H)-one
Tetrahydro-4-thioxo-2(1H)-pyrimidinone
2-1H-PYRIMIDINONE,TETRAHYDRO-4-THIOXO-
4-Thiouracil
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Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 1.4±0.1 g/cm3
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction: 1.620
Molar Refractivity: 33.0±0.4 cm3
#H bond acceptors: 3
#H bond donors: 2
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: -1.25
ACD/LogD (pH 5.5): -0.52
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 12.44
ACD/LogD (pH 7.4): -0.62
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 9.75
Polar Surface Area: 73 Å2
Polarizability: 13.1±0.5 10-24cm3
Surface Tension: 66.6±5.0 dyne/cm
Molar Volume: 94.1±5.0 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) =  -0.93

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  333.14  (Adapted Stein & Brown method)
    Melting Pt (deg C):  109.35  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  4.9E-005  (Modified Grain method)
    Subcooled liquid VP: 0.00033 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):  2.777e+004
       log Kow used: -0.93 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  64622 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.60E-010  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.022E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.93  (KowWin est)
  Log Kaw used:  -7.569  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  6.639
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6856
   Biowin2 (Non-Linear Model)     :   0.7614
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9115  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6599  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3644
   Biowin6 (MITI Non-Linear Model):   0.3189
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.5961
 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):  0.044 Pa (0.00033 mm Hg)
  Log Koa (Koawin est  ): 6.639
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  6.82E-005 
       Octanol/air (Koa) model:  1.07E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00246 
       Mackay model           :  0.00542 
       Octanol/air (Koa) model:  8.55E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   8.1232 E-12 cm3/molecule-sec
      Half-Life =     1.317 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    15.801 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.00394 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  3.097
      Log Koc:  0.491 

 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: -0.93 (estimated)

 Volatilization from Water:
    Henry LC:  6.6E-010 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.012E+006  hours   (4.217E+004 days)
    Half-Life from Model Lake : 1.104E+007  hours   (4.601E+005 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       0.0155          31.6         1000       
   Water     39              360          1000       
   Soil      60.9            720          1000       
   Sediment  0.0714          3.24e+003    0          
     Persistence Time: 577 hr

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