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Inherent Properties, Identifiers and References
ChemSpider ID: 2300359
Empirical Formula: C2H4O2
Molecular Weight: 60.052
Nominal Mass: 60 Da
Average Mass: 60.052 Da
Monoisotopic Mass: 60.021129 Da
Quick Links: Permalink Similar Isomers
Systematic Name: (E)-ethene-1,2-diol
SMILES: O\C=C\O
InChI: InChI=1/C2H4O2/c3-1-2-4/h1-4H/b2-1+
InChIKey: JMCRDEBJJPRTPV-OWOJBTEDBX
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Names and Synonyms

Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Redirected by Users, Redirect Approved by Experts

1,2-Dihyd​roxyethene

1,2-Ethen​ediol

cis-1,2-E​thenediol

Ethen-1,2​-diol

ethene-1,​2-diol

1571-60-4 [RN]

HOCH=CHOH

(Details...) Predicted Properties
LogP: ACD/LogP: -0.04
XLogP: 0.20
# of Rule of 5 Violations: 0
ACD/LogD (pH 5.5): -0.04 ACD/LogD (pH 7.4): -0.04
ACD/BCF (pH 5.5): 1 ACD/BCF (pH 7.4): 1
ACD/KOC (pH 5.5): 22.67 ACD/KOC (pH 7.4): 22.67
#H bond acceptors: 2 #H bond donors: 2
#Freely Rotating Bonds: 2 Polar Surface Area: 18.46 Å2
Index of Refraction: 1.487 Molar Refractivity: 14.44 cm3
Molar Volume: 50.1 cm3 Polarizability: 5.72 10-24cm3
Surface Tension: 48.4 dyne/cm Density: 1.196 g/cm3
Flash Point: 69.2 °C Enthalpy of Vaporization: 45.43 kJ/mol
Boiling Point: 153.2 °C at 760 mmHg Vapour Pressure: 1.25 mmHg at 25°C
            
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  -0.37

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  191.09  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -23.19  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.0895  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  2.831e+005
       log Kow used: -0.37 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  19886 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Vinyl/Allyl Alcohols

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.20E-006  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.498E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.37  (KowWin est)
  Log Kaw used:  -3.672  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  3.302
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0364
   Biowin2 (Non-Linear Model)     :   0.9878
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.3864  (days-weeks  )
   Biowin4 (Primary Survey Model) :   4.0200  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.8681
   Biowin6 (MITI Non-Linear Model):   0.9457
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.9546
 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):  10.6 Pa (0.0796 mm Hg)
  Log Koa (Koawin est  ): 3.302
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.83E-007 
       Octanol/air (Koa) model:  4.92E-010 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.02E-005 
       Mackay model           :  2.26E-005 
       Octanol/air (Koa) model:  3.94E-008 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  56.6800 E-12 cm3/molecule-sec [Cis-isomer]
      OVERALL OH Rate Constant =  64.2800 E-12 cm3/molecule-sec [Trans-isomer]
      Half-Life =    2.264 Hrs (12-hr day; 1.5E6 OH/cm3) [Cis-isomer]
      Half-Life =    1.997 Hrs (12-hr day; 1.5E6 OH/cm3) [Trans-isomer]
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.087500 E-17 cm3/molecule-sec [Cis-]
      OVERALL Ozone Rate Constant =     0.175000 E-17 cm3/molecule-sec [Trans-]
      Half-Life =    13.097 Days (at 7E11 mol/cm3) [Cis-isomer]
      Half-Life =     6.549 Days (at 7E11 mol/cm3) [Trans-isomer]
   Fraction sorbed to airborne particulates (phi): 1.64E-005 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1
      Log Koc:  0.000 

 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: -0.37 (estimated)

 Volatilization from Water:
    Henry LC:  5.2E-006 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      88.04  hours   (3.668 days)
    Half-Life from Model Lake :       1025  hours   (42.73 days)

 Removal In Wastewater Treatment:
    Total removal:               2.14  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.75  percent
    Total to Air:                0.29  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.982           4.46         1000       
   Water     44.2            208          1000       
   Soil      54.7            416          1000       
   Sediment  0.0768          1.87e+003    0          
     Persistence Time: 225 hr