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Inherent Properties, Identifiers and References
ChemSpider ID: 387881
Empirical Formula: C2H5O2
Molecular Weight: 61.0594
Nominal Mass: 61 Da
Average Mass: 61.0594 Da
Monoisotopic Mass: 61.028406 Da
Quick Links: Permalink Similar Isomers
Systematic Name: 1-hydroxyethylideneoxonium
SMILES: [O@H+]=C(O)C
InChI: InChI=1/C2H4O2/c1-2(3)4/h1H3,(H,3,4)/p+1
InChIKey: QTBSBXVTEAMEQO-IKLDFBCSAL
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(Details...) Predicted Properties
LogP: # of Rule of 5 Violations:
ACD/LogD (pH 5.5): ACD/LogD (pH 7.4):
ACD/BCF (pH 5.5): ACD/BCF (pH 7.4):
ACD/KOC (pH 5.5): ACD/KOC (pH 7.4):
#H bond acceptors: 2 #H bond donors: 2
#Freely Rotating Bonds: 1 Polar Surface Area: 9.23 Å2
Index of Refraction: Molar Refractivity: cm3
Molar Volume: cm3 Polarizability: 10-24cm3
Surface Tension: dyne/cm Density: g/cm3
Flash Point: °C Enthalpy of Vaporization: kJ/mol
Boiling Point: °C at 760 mmHg Vapour Pressure: mmHg at 25°C
(Details...) EPI Summary 
            
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  -0.46

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  82.82  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -82.74  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  48.3  (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: -0.46 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1.8336e+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 :   Incomplete
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.881E-006 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)         :   0.7185
   Biowin2 (Non-Linear Model)     :   0.8949
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0642  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7596  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5309
   Biowin6 (MITI Non-Linear Model):   0.6862
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.7565
 Ready Biodegradability Prediction:   YES

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  6.17E+003 Pa (46.3 mm Hg)
  Log Koa (): not available
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.86E-010 
       Octanol/air (Koa) model:  not available
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.76E-008 
       Mackay model           :  3.89E-008 
       Octanol/air (Koa) model:  not available

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.6568 E-12 cm3/molecule-sec
      Half-Life =    16.285 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 2.82E-008 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.06
      Log Koc:  0.025 

 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: -0.46 (estimated)

 Volatilization from Water:
    Henry LC:  3.88E-006 atm-m3/mole  (calculated from VP/WS)
    Half-Life from Model River:      118.7  hours   (4.946 days)
    Half-Life from Model Lake :       1360  hours   (56.68 days)

 Removal In Wastewater Treatment:
    Total removal:               2.06  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.75  percent
    Total to Air:                0.22  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       7.82            391          1000       
   Water     44.8            360          1000       
   Soil      47.3            720          1000       
   Sediment  0.0822          3.24e+003    0          
     Persistence Time: 372 hr