ChemSpider 2D Image | 5-Isocyano-7H-1,3,4-thiadiazolo[3,2-a]pyrimidin-7-one | C6H2N4OS

5-Isocyano-7H-1,3,4-thiadiazolo[3,2-a]pyrimidin-7-one

  • Molecular FormulaC6H2N4OS
  • Average mass178.171 Da
  • Monoisotopic mass177.994934 Da
  • ChemSpider ID10491065

More details:

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

177192-84-6 [RN]
5-Isocyano-7H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-on [German] [ACD/IUPAC Name]
5-Isocyano-7H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-one [ACD/IUPAC Name]
5-Isocyano-7H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-one [French] [ACD/IUPAC Name]
5-Isocyano-7H-1,3,4-thiadiazolo[3,2-a]pyrimidin-7-one
7H-1,3,4-Thiadiazolo[3,2-a]pyrimidin-7-one, 5-isocyano- [ACD/Index Name]

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

Density:
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction:
Molar Refractivity:
#H bond acceptors: 5
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations:
ACD/LogP:
ACD/LogD (pH 5.5):
ACD/BCF (pH 5.5):
ACD/KOC (pH 5.5):
ACD/LogD (pH 7.4):
ACD/BCF (pH 7.4):
ACD/KOC (pH 7.4):
Polar Surface Area: 75 Å2
Polarizability:
Surface Tension:
Molar Volume:

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

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  -0.77

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  311.12  (Adapted Stein & Brown method)
    Melting Pt (deg C):  123.79  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.000112  (Modified Grain method)
    Subcooled liquid VP: 0.00108 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):  2.577e+005
       log Kow used: -0.77 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1.9313e+005 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.63E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.019E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.77  (KowWin est)
  Log Kaw used:  -10.176  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  9.406
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6627
   Biowin2 (Non-Linear Model)     :   0.6174
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8054  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5907  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2007
   Biowin6 (MITI Non-Linear Model):   0.0619
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.8020
 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):  0.144 Pa (0.00108 mm Hg)
  Log Koa (Koawin est  ): 9.406
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.08E-005 
       Octanol/air (Koa) model:  0.000625 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000752 
       Mackay model           :  0.00166 
       Octanol/air (Koa) model:  0.0476 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  29.6335 E-12 cm3/molecule-sec
      Half-Life =     0.361 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.331 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     2.100000 E-17 cm3/molecule-sec
      Half-Life =     0.546 Days (at 7E11 mol/cm3)
      Half-Life =     13.097 Hrs
   Fraction sorbed to airborne particulates (phi): 0.00121 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1506
      Log Koc:  3.178 

 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: -0.77 (estimated)

 Volatilization from Water:
    Henry LC:  1.63E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 4.795E+008  hours   (1.998E+007 days)
    Half-Life from Model Lake :  5.23E+009  hours   (2.179E+008 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       3.84e-005       5.21         1000       
   Water     38.9            360          1000       
   Soil      61              720          1000       
   Sediment  0.0713          3.24e+003    0          
     Persistence Time: 579 hr

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