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ChemSpider 2D Image | Sulfamic acid | H3NO3S

Sulfamic acid

  • Molecular FormulaH3NO3S
  • Average mass97.094 Da
  • Monoisotopic mass96.983360 Da
  • ChemSpider ID5767

More details:



Featured data source



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

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

Density: 1.9±0.1 g/cm3
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction: 1.544
Molar Refractivity: 16.0±0.4 cm3
#H bond acceptors: 4
#H bond donors: 3
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: -1.42
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: 89 Å2
Polarizability: 6.3±0.5 10-24cm3
Surface Tension: 101.5±3.0 dyne/cm
Molar Volume: 50.8±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) =  -4.34

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  602.67  (Adapted Stein & Brown method)
    Melting Pt (deg C):  260.56  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.51E-015  (Modified Grain method)
    MP  (exp database):  205 dec deg C
    Subcooled liquid VP: 1.21E-013 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):  1e+006
       log Kow used: -4.34 (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 :   4.26E-009  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.929E-022 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -4.34  (KowWin est)
  Log Kaw used:  -6.759  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  2.419
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7013
   Biowin2 (Non-Linear Model)     :   0.8362
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9846  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7077  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4233
   Biowin6 (MITI Non-Linear Model):   0.4311
 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):  1.61E-011 Pa (1.21E-013 mm Hg)
  Log Koa (Koawin est  ): 2.419
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.86E+005 
       Octanol/air (Koa) model:  6.44E-011 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  5.15E-009 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.1400 E-12 cm3/molecule-sec
      Half-Life =    76.400 Days (12-hr day; 1.5E6 OH/cm3)
   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: -4.34 (estimated)

 Volatilization from Water:
    Henry LC:  4.26E-009 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.354E+005  hours   (5643 days)
    Half-Life from Model Lake : 1.477E+006  hours   (6.156E+004 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       1.58            1.83e+003    1000       
   Water     39.9            360          1000       
   Soil      58.5            720          1000       
   Sediment  0.0729          3.24e+003    0          
     Persistence Time: 528 hr




                    

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