ChemSpider 2D Image | (4,6-dihydroxypyrimidin-2-yl)cyanamide | C5H4N4O2

(4,6-dihydroxypyrimidin-2-yl)cyanamide

  • Molecular FormulaC5H4N4O2
  • Average mass152.111 Da
  • Monoisotopic mass152.033432 Da
  • ChemSpider ID215948

More details:

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

(4,6-dihydroxypyrimidin-2-yl)cyanamide
(4-Hydroxy-6-oxo-1,6-dihydro-2-pyrimidinyl)cyanamid [German] [ACD/IUPAC Name]
(4-Hydroxy-6-oxo-1,6-dihydro-2-pyrimidinyl)cyanamide [ACD/IUPAC Name]
(4-Hydroxy-6-oxo-1,6-dihydro-2-pyrimidinyl)cyanamide [French] [ACD/IUPAC Name]
(4-hydroxy-6-oxo-1,6-dihydropyrimidin-2-yl)cyanamide
1,4,5,6-TETRAHYDRO-4,6-DIOXO-2-PYRIMIDINYL-CYANAMIDE
55067-10-2 [RN]
6627-61-8 [RN]
Cyanamide, (1,4-dihydro-6-hydroxy-4-oxo-2-pyrimidinyl)-
Cyanamide, N-(1,6-dihydro-4-hydroxy-6-oxo-2-pyrimidinyl)- [ACD/Index Name]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

MFCD00023200 [DBID]
NSC60202 [DBID]

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

Density: 1.7±0.1 g/cm3
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction: 1.728
Molar Refractivity: 35.8±0.5 cm3
#H bond acceptors: 6
#H bond donors: 3
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: -1.35
ACD/LogD (pH 5.5): -2.80
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -4.44
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 98 Å2
Polarizability: 14.2±0.5 10-24cm3
Surface Tension: 81.8±7.0 dyne/cm
Molar Volume: 89.9±7.0 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) =  -1.12

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  481.44  (Adapted Stein & Brown method)
    Melting Pt (deg C):  203.93  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  8.79E-012  (Modified Grain method)
    Subcooled liquid VP: 6.86E-010 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):  3.296e+004
       log Kow used: -1.12 (estimated)
       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:
       Vinyl/Allyl Alcohols

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.40E-015  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.338E-017 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -1.12  (KowWin est)
  Log Kaw used:  -12.857  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.737
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0440
   Biowin2 (Non-Linear Model)     :   0.9906
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9688  (weeks       )
   Biowin4 (Primary Survey Model) :   3.9632  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5536
   Biowin6 (MITI Non-Linear Model):   0.5132
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.3274
 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):  9.15E-008 Pa (6.86E-010 mm Hg)
  Log Koa (Koawin est  ): 11.737
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  32.8 
       Octanol/air (Koa) model:  0.134 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.999 
       Mackay model           :  1 
       Octanol/air (Koa) model:  0.915 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  23.8890 E-12 cm3/molecule-sec
      Half-Life =     0.448 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     5.373 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.175000 E-17 cm3/molecule-sec
      Half-Life =     6.549 Days (at 7E11 mol/cm3)
   Fraction sorbed to airborne particulates (phi): 0.999 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  10
      Log Koc:  1.000 

 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: -1.12 (estimated)

 Volatilization from Water:
    Henry LC:  3.4E-015 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.124E+011  hours   (8.849E+009 days)
    Half-Life from Model Lake : 2.317E+012  hours   (9.654E+010 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       0.000139        10.1         1000       
   Water     39              360          1000       
   Soil      61              720          1000       
   Sediment  0.0713          3.24e+003    0          
     Persistence Time: 579 hr

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