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ChemSpider 2D Image | Ethyl hydrogen sulfite | C2H6O3S

Ethyl hydrogen sulfite

  • Molecular FormulaC2H6O3S
  • Average mass110.132 Da
  • Monoisotopic mass110.003761 Da
  • ChemSpider ID378647

More details:

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

Ethyl hydrogen sulfite [ACD/IUPAC Name]
Ethylhydrogensulfit [German] [ACD/IUPAC Name]
Hydrogénosulfite d'éthyle [French] [ACD/IUPAC Name]
Sulfurous acid, monoethyl ester [ACD/Index Name]
69373-83-7 [RN]
ethanol sulfite

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

NSC227843 [DBID]

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 1.5±0.1 g/cm3
Boiling Point: 233.6±23.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.0 mmHg at 25°C
Enthalpy of Vaporization: 51.8±6.0 kJ/mol
Flash Point: 95.1±22.6 °C
Index of Refraction: 1.539
Molar Refractivity: 23.5±0.3 cm3
#H bond acceptors: 3
#H bond donors: 1
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: -0.48
ACD/LogD (pH 5.5): -3.52
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -3.71
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 66 Å2
Polarizability: 9.3±0.5 10-24cm3
Surface Tension: 73.1±3.0 dyne/cm
Molar Volume: 74.9±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) =  -3.15

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  241.38  (Adapted Stein & Brown method)
    Melting Pt (deg C):  24.73  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00566  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1e+006
       log Kow used: -3.15 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  5.0983e+005 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   8.58E-008  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  8.202E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -3.15  (KowWin est)
  Log Kaw used:  -5.455  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  2.305
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6951
   Biowin2 (Non-Linear Model)     :   0.8092
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9558  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6888  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4343
   Biowin6 (MITI Non-Linear Model):   0.4490
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.7825
 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):  0.719 Pa (0.00539 mm Hg)
  Log Koa (Koawin est  ): 2.305
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.17E-006 
       Octanol/air (Koa) model:  4.95E-011 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000151 
       Mackay model           :  0.000334 
       Octanol/air (Koa) model:  3.96E-009 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.9611 E-12 cm3/molecule-sec
      Half-Life =    11.129 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.000242 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  15.72
      Log Koc:  1.196 

 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: -3.15 (estimated)

 Volatilization from Water:
    Henry LC:  8.58E-008 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       7162  hours   (298.4 days)
    Half-Life from Model Lake : 7.822E+004  hours   (3259 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       1.65            267          1000       
   Water     40.5            360          1000       
   Soil      57.8            720          1000       
   Sediment  0.0741          3.24e+003    0          
     Persistence Time: 513 hr

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