ChemSpider 2D Image | 2-Hydroxy-3-methoxy-2-methylpropanoic acid | C5H10O4

2-Hydroxy-3-methoxy-2-methylpropanoic acid

  • Molecular FormulaC5H10O4
  • Average mass134.130 Da
  • Monoisotopic mass134.057907 Da
  • ChemSpider ID19879433

More details:

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

2-Hydroxy-3-methoxy-2-methylpropanoic acid [ACD/IUPAC Name]
2-Hydroxy-3-methoxy-2-methylpropansäure [German] [ACD/IUPAC Name]
Acide 2-hydroxy-3-méthoxy-2-méthylpropanoïque [French] [ACD/IUPAC Name]
Propanoic acid, 2-hydroxy-3-methoxy-2-methyl- [ACD/Index Name]
[672314-91-9] [RN]
2-Hydroxy-3-methoxy-2-methyl-propionic acid
672314-91-9 [RN]
AKOS011825009
CTK1H8401
EN300-76841
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    Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

    Density: 1.2±0.1 g/cm3
    Boiling Point: 278.9±25.0 °C at 760 mmHg
    Vapour Pressure: 0.0±1.3 mmHg at 25°C
    Enthalpy of Vaporization: 60.1±6.0 kJ/mol
    Flash Point: 120.2±16.7 °C
    Index of Refraction: 1.460
    Molar Refractivity: 30.0±0.3 cm3
    #H bond acceptors: 4
    #H bond donors: 2
    #Freely Rotating Bonds: 3
    #Rule of 5 Violations: 0
    ACD/LogP: -0.11
    ACD/LogD (pH 5.5): -2.53
    ACD/BCF (pH 5.5): 1.00
    ACD/KOC (pH 5.5): 1.00
    ACD/LogD (pH 7.4): -3.88
    ACD/BCF (pH 7.4): 1.00
    ACD/KOC (pH 7.4): 1.00
    Polar Surface Area: 67 Å2
    Polarizability: 11.9±0.5 10-24cm3
    Surface Tension: 45.3±3.0 dyne/cm
    Molar Volume: 109.6±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) =  -0.96

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  244.96  (Adapted Stein & Brown method)
    Melting Pt (deg C):  51.78  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00245  (Modified Grain method)
    Subcooled liquid VP: 0.00432 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1e+006
       log Kow used: -0.96 (estimated)
       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 :   1.76E-009  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.324E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.96  (KowWin est)
  Log Kaw used:  -7.143  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  6.183
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.2251
   Biowin2 (Non-Linear Model)     :   0.0321
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0466  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8766  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6136
   Biowin6 (MITI Non-Linear Model):   0.6337
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.2982
 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):  0.576 Pa (0.00432 mm Hg)
  Log Koa (Koawin est  ): 6.183
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  5.21E-006 
       Octanol/air (Koa) model:  3.74E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000188 
       Mackay model           :  0.000416 
       Octanol/air (Koa) model:  2.99E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  23.6565 E-12 cm3/molecule-sec
      Half-Life =     0.452 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     5.426 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.000302 (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: -0.96 (estimated)

 Volatilization from Water:
    Henry LC:  1.76E-009 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.853E+005  hours   (1.605E+004 days)
    Half-Life from Model Lake : 4.203E+006  hours   (1.751E+005 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       0.0403          10.9         1000       
   Water     39.2            360          1000       
   Soil      60.7            720          1000       
   Sediment  0.0718          3.24e+003    0          
     Persistence Time: 568 hr

    Click to predict properties on the Chemicalize site


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