ChemSpider 2D Image | Homoisovanillic acid | C9H10O4

Homoisovanillic acid

  • Molecular FormulaC9H10O4
  • Average mass182.173 Da
  • Monoisotopic mass182.057907 Da
  • ChemSpider ID141092

More details:

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

(3-Hydroxy-4-methoxyphenyl)acetic acid [ACD/IUPAC Name]
(3-Hydroxy-4-methoxyphenyl)essigsäure [German] [ACD/IUPAC Name]
1131-94-8 [RN]
3-Hydroxy-4-methoxybenzeneacetic acid
3-Hydroxy-4-methoxyphenylacetic acid
Acide (3-hydroxy-4-méthoxyphényl)acétique [French] [ACD/IUPAC Name]
Benzeneacetic acid, 3-hydroxy-4-methoxy- [ACD/Index Name]
Homoisovanillic acid
2-(3-hydroxy-4-methoxyphenyl)acetic acid

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

MFCD00016829 [DBID]
MLS000574994 [DBID]
SMR000156294 [DBID]

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Density: 1.3±0.1 g/cm3
Boiling Point: 371.3±27.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.9 mmHg at 25°C
Enthalpy of Vaporization: 65.2±3.0 kJ/mol
Flash Point: 153.1±17.2 °C
Index of Refraction: 1.573
Molar Refractivity: 45.9±0.3 cm3
#H bond acceptors: 4
#H bond donors: 2
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 0.47
ACD/LogD (pH 5.5): -0.43
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 3.92
ACD/LogD (pH 7.4): -2.22
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 67 Å2
Polarizability: 18.2±0.5 10-24cm3
Surface Tension: 53.8±3.0 dyne/cm
Molar Volume: 139.3±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) =  0.77

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  338.85  (Adapted Stein & Brown method)
    Melting Pt (deg C):  117.66  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  8.23E-006  (Modified Grain method)
    Subcooled liquid VP: 6.8E-005 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):  2.918e+004
       log Kow used: 0.77 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1.1495e+005 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.72E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  6.761E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.77  (KowWin est)
  Log Kaw used:  -10.954  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.724
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0359
   Biowin2 (Non-Linear Model)     :   0.9918
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0846  (weeks       )
   Biowin4 (Primary Survey Model) :   4.0187  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5802
   Biowin6 (MITI Non-Linear Model):   0.6148
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.7939
 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):  0.00907 Pa (6.8E-005 mm Hg)
  Log Koa (Koawin est  ): 11.724
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000331 
       Octanol/air (Koa) model:  0.13 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0118 
       Mackay model           :  0.0258 
       Octanol/air (Koa) model:  0.912 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  50.0069 E-12 cm3/molecule-sec
      Half-Life =     0.214 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.567 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.0188 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  30.81
      Log Koc:  1.489 

 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: 0.77 (estimated)

 Volatilization from Water:
    Henry LC:  2.72E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.905E+009  hours   (1.211E+008 days)
    Half-Life from Model Lake : 3.169E+010  hours   (1.321E+009 days)

 Removal In Wastewater Treatment:
    Total removal:               1.87  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.78  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       6.29e-006       5.13         1000       
   Water     36.2            360          1000       
   Soil      63.8            720          1000       
   Sediment  0.0699          3.24e+003    0          
     Persistence Time: 598 hr


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