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ChemSpider 2D Image | Glycolic acid | C2H4O3

Glycolic acid

  • Molecular FormulaC2H4O3
  • Average mass76.051 Da
  • Monoisotopic mass76.016045 Da
  • ChemSpider ID737

More details:

Featured data source
The Merck Index Online

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

1209322 [Beilstein]
201-180-5 [EINECS]
2-Hydroxyethanoic acid
79-14-1 [RN]
Acetic acid, 2-hydroxy- [ACD/Index Name]
Acide glycol [French] [ACD/IUPAC Name]
Acide hydroxyacétique [French]
a-Hydroxyacetic acid
Glycol acid [ACD/IUPAC Name]
Glycolic acid [Wiki]
More...

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

0WT12SX38S [DBID]
MFCD00004312 [DBID]
124737_SIAL [DBID]
420581_ALDRICH [DBID]
420603_ALDRICH [DBID]
457620_ALDRICH [DBID]
46746_FLUKA [DBID]
AI3-15362 [DBID]
AIDS059757 [DBID]
AIDS-059757 [DBID]
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Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 1.4±0.1 g/cm3
Boiling Point: 265.6±13.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.2 mmHg at 25°C
Enthalpy of Vaporization: 58.5±6.0 kJ/mol
Flash Point: 128.7±16.3 °C
Index of Refraction: 1.450
Molar Refractivity: 14.4±0.3 cm3
#H bond acceptors: 3
#H bond donors: 2
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: -1.05
ACD/LogD (pH 5.5): -3.02
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -4.43
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 58 Å2
Polarizability: 5.7±0.5 10-24cm3
Surface Tension: 61.4±3.0 dyne/cm
Molar Volume: 53.7±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) =  -1.07
    Log Kow (Exper. database match) =  -1.11
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  202.74  (Adapted Stein & Brown method)
    Melting Pt (deg C):  23.33  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.017  (Modified Grain method)
    MP  (exp database):  79.5 deg C
    VP  (exp database):  2.00E-02 mm Hg at 25 deg C
    Subcooled liquid VP: 0.0692 mm Hg (25 deg C, exp database VP )

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1e+006
       log Kow used: -1.11 (expkow database)
       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-acid

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   8.54E-008  atm-m3/mole
   Group Method:   6.29E-011  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.701E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -1.11  (exp database)
  Log Kaw used:  -5.457  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.347
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9428
   Biowin2 (Non-Linear Model)     :   0.9756
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.5557  (days-weeks  )
   Biowin4 (Primary Survey Model) :   4.2530  (hours-days  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.8776
   Biowin6 (MITI Non-Linear Model):   0.9478
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  1.1816
 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):  9.23 Pa (0.0692 mm Hg)
  Log Koa (Koawin est  ): 4.347
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.25E-007 
       Octanol/air (Koa) model:  5.46E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.17E-005 
       Mackay model           :  2.6E-005 
       Octanol/air (Koa) model:  4.37E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   3.1118 E-12 cm3/molecule-sec
      Half-Life =     3.437 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    41.247 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1.89E-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: -1.11 (expkow database)

 Volatilization from Water:
    Henry LC:  8.54E-008 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       5980  hours   (249.1 days)
    Half-Life from Model Lake :  6.53E+004  hours   (2721 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       2.17            82.5         1000       
   Water     36.5            208          1000       
   Soil      61.2            416          1000       
   Sediment  0.0632          1.87e+003    0          
     Persistence Time: 333 hr

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