ChemSpider 2D Image | Disulfur dinitride | N2S2

Disulfur dinitride

  • Molecular FormulaN2S2
  • Average mass92.143 Da
  • Monoisotopic mass91.950287 Da
  • ChemSpider ID124561

More details:






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

Disulfur dinitride
25474-92-4 [RN]
  • Miscellaneous
    • Chemical Class:

      An inorganic heterocyclic compound with formula N<smallsub>2</smallsub>S<smallsup>2</smallsup> and consisting of alternating sulfur and nitrogen atoms making up a 4-membered ring structure that is tha t is virtually square and planar. It is shock-sensitive and decomposes explosively above 30<degree/>C. ChEBI CHEBI:37756

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

Density: 2.2±0.1 g/cm3
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction: 2.076
Molar Refractivity: 21.7±0.5 cm3
#H bond acceptors: 2
#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: 50 Å2
Polarizability: 8.6±0.5 10-24cm3
Surface Tension: 123.5±7.0 dyne/cm
Molar Volume: 41.4±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) =  1.43

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  547.69  (Adapted Stein & Brown method)
    Melting Pt (deg C):  234.88  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  9.12E-012  (Modified Grain method)
    Subcooled liquid VP: 1.67E-009 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):  7399
       log Kow used: 1.43 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  34858 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]:  1.494E-016 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)         :   0.7037
   Biowin2 (Non-Linear Model)     :   0.8456
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9956  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7148  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4380
   Biowin6 (MITI Non-Linear Model):   0.4665
 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):  2.23E-007 Pa (1.67E-009 mm Hg)
  Log Koa (): not available
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  13.5 
       Octanol/air (Koa) model:  not available
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.998 
       Mackay model           :  0.999 
       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): 0.999 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  48.64
      Log Koc:  1.687 

 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 = 0.400 (BCF = 2.515)
       log Kow used: 1.43 (estimated)

 Volatilization from Water:
    Henry LC:  1.49E-016 atm-m3/mole  (calculated from VP/WS)
    Half-Life from Model River: 3.761E+012  hours   (1.567E+011 days)
    Half-Life from Model Lake : 4.103E+013  hours   (1.71E+012 days)

 Removal In Wastewater Treatment:
    Total removal:               1.95  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.86  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       2.62e-006       1e+005       1000       
   Water     30              360          1000       
   Soil      69.9            720          1000       
   Sediment  0.0689          3.24e+003    0          
     Persistence Time: 645 hr




                    

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