ChemSpider 2D Image | Sulfuric acid | H2O4S

Sulfuric acid

  • Molecular FormulaH2O4S
  • Average mass98.078 Da
  • Monoisotopic mass97.967377 Da
  • ChemSpider ID1086

More details:

Featured data source

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

231-594-1 [EINECS]
7664-93-9 [RN]
Acide sulfurique [French] [ACD/IUPAC Name]
Acido solforico [Italian]
Acido sulfurico [Spanish]
H2SO4 [Formula]
Oil of vitriol
Schwefelsaeure [German]
Schwefelsäure [German] [ACD/IUPAC Name]
Sulfate, hydrogen

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

00646_FLUKA [DBID]
00647_FLUKA [DBID]
03364_FLUKA [DBID]
258105_SIAL [DBID]
270113_SIAL [DBID]

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

Density: 2.2±0.1 g/cm3
Boiling Point: 330.0±11.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.5 mmHg at 25°C
Enthalpy of Vaporization: 62.9±6.0 kJ/mol
Flash Point:
Index of Refraction: 1.537
Molar Refractivity: 13.9±0.4 cm3
#H bond acceptors: 4
#H bond donors: 2
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: -1.03
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: 83 Å2
Polarizability: 5.5±0.5 10-24cm3
Surface Tension: 124.1±3.0 dyne/cm
Molar Volume: 44.6±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) =  -2.20

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  623.89  (Adapted Stein & Brown method)
    Melting Pt (deg C):  270.47  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.33E+003  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  10.31 deg C
    BP  (exp database):  ~ 290 deg C
    VP  (exp database):  5.93E-05 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1e+006
       log Kow used: -2.20 (estimated)
       no-melting pt equation used
     Water Sol (Exper. database match) =  1e+006 mg/L (25 deg C)
        Exper. Ref:  GUNTHER,FA ET AL. (1968)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 mg/L
    Wat Sol (Exper. database match) =  1000000.00
       Exper. Ref:  GUNTHER,FA ET AL. (1968)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.54E-011  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  9.807E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -2.20  (KowWin est)
  Log Kaw used:  -8.984  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  6.784
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7009
   Biowin2 (Non-Linear Model)     :   0.8343
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9824  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7062  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4204
   Biowin6 (MITI Non-Linear Model):   0.4242
 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):  0.00791 Pa (5.93E-005 mm Hg)
  Log Koa (Koawin est  ): 6.784
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000379 
       Octanol/air (Koa) model:  1.49E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0135 
       Mackay model           :  0.0295 
       Octanol/air (Koa) model:  0.000119 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.2800 E-12 cm3/molecule-sec
      Half-Life =    38.200 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0215 (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: -2.20 (estimated)

 Volatilization from Water:
    Henry LC:  2.54E-011 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.283E+007  hours   (9.511E+005 days)
    Half-Life from Model Lake :  2.49E+008  hours   (1.038E+007 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       0.000599        917          1000       
   Water     39              360          1000       
   Soil      60.9            720          1000       
   Sediment  0.0713          3.24e+003    0          
     Persistence Time: 579 hr


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