ChemSpider 2D Image | Sulfamide | H4N2O2S


  • Molecular FormulaH4N2O2S
  • Average mass96.109 Da
  • Monoisotopic mass95.999344 Da
  • ChemSpider ID74243

More details:

Featured data source

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

7803-58-9 [RN]
amino sulfonamide
Diamide sulfurique [French] [ACD/IUPAC Name]
Schwefeldiamid [German] [ACD/IUPAC Name]
Sulfamide [ACD/Index Name] [Wiki]
Sulfuric diamide [ACD/IUPAC Name]

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

86033_FLUKA [DBID]
AI3-30237 [DBID]
MFCD00011606 [DBID]
MFCD00057363 [DBID]
NSC 252 [DBID]

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

Density: 1.7±0.1 g/cm3
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction: 1.549
Molar Refractivity: 18.1±0.4 cm3
#H bond acceptors: 4
#H bond donors: 4
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: -1.80
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: 95 Å2
Polarizability: 7.2±0.5 10-24cm3
Surface Tension: 86.1±3.0 dyne/cm
Molar Volume: 56.9±3.0 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) =  -1.79

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  581.45  (Adapted Stein & Brown method)
    Melting Pt (deg C):  250.65  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  7.87E-013  (Modified Grain method)
    Subcooled liquid VP: 2.24E-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):  1.987e+005
       log Kow used: -1.79 (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:
       Neutral Organics

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.19E-008  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.008E-019 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -1.79  (KowWin est)
  Log Kaw used:  -5.885  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.095
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7018
   Biowin2 (Non-Linear Model)     :   0.8381
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9868  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7091  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4262
   Biowin6 (MITI Non-Linear Model):   0.4381
 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):  2.99E-008 Pa (2.24E-010 mm Hg)
  Log Koa (Koawin est  ): 4.095
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  100 
       Octanol/air (Koa) model:  3.05E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  2.44E-007 

 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    :  6.124
      Log Koc:  0.787 

 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: -1.79 (estimated)

 Volatilization from Water:
    Henry LC:  3.19E-008 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.799E+004  hours   (749.7 days)
    Half-Life from Model Lake : 1.964E+005  hours   (8182 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       1.68            1e+005       1000       
   Water     39.9            360          1000       
   Soil      58.3            720          1000       
   Sediment  0.0731          3.24e+003    0          
     Persistence Time: 527 hr


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