ChemSpider 2D Image | Tetranitrogen tetrasulfide | N4S4

Tetranitrogen tetrasulfide

  • Molecular FormulaN4S4
  • Average mass184.287 Da
  • Monoisotopic mass183.900574 Da
  • ChemSpider ID124788

More details:






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

28950-34-7 [RN]
Tetranitrogen tetrasulfide
Tetrasulfur tetranitride
1λ4,3,5λ4,7-tetrathia-2,4,6,8-tetrazacycloocta-1,4,5,8-tetraene
UNII-9BXS997HR6
四氮化四硫 [Chinese]

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Density: 2.3±0.1 g/cm3
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction: 2.124
Molar Refractivity: 43.5±0.5 cm3
#H bond acceptors: 4
#H bond donors: 0
#Freely Rotating Bonds: 0
#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: 100 Å2
Polarizability: 17.2±0.5 10-24cm3
Surface Tension: 138.8±7.0 dyne/cm
Molar Volume: 80.6±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) =  2.63

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  655.53  (Adapted Stein & Brown method)
    Melting Pt (deg C):  285.25  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.34E-015  (Modified Grain method)
    Subcooled liquid VP: 2.55E-012 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):  298.2
       log Kow used: 2.63 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  14859 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   Incomplete
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.716E-018 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Can Not Estimate (can not calculate HenryLC)

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6598
   Biowin2 (Non-Linear Model)     :   0.5968
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7920  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5819  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1639
   Biowin6 (MITI Non-Linear Model):   0.0577
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.8361
 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):  3.4E-010 Pa (2.55E-012 mm Hg)
  Log Koa (): not available
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  8.82E+003 
       Octanol/air (Koa) model:  not available
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  not available

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.0000 E-12 cm3/molecule-sec
      Half-Life =   -------
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  562.9
      Log Koc:  2.750 

 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 = 1.325 (BCF = 21.12)
       log Kow used: 2.63 (estimated)

 Volatilization from Water:
    Henry LC:  2.72E-018 atm-m3/mole  (calculated from VP/WS)
    Half-Life from Model River: 2.927E+014  hours   (1.219E+013 days)
    Half-Life from Model Lake : 3.193E+015  hours   (1.33E+014 days)

 Removal In Wastewater Treatment:
    Total removal:               3.52  percent
    Total biodegradation:        0.11  percent
    Total sludge adsorption:     3.42  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       3.5e-005        1e+005       1000       
   Water     18              360          1000       
   Soil      81.8            720          1000       
   Sediment  0.156           3.24e+003    0          
     Persistence Time: 760 hr




                    

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