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Search term: 518-90-1 (Found by synonym)

ChemSpider 2D Image | 3,4-Dimethoxyphthalic acid | C10H10O6

3,4-Dimethoxyphthalic acid

  • Molecular FormulaC10H10O6
  • Average mass226.183 Da
  • Monoisotopic mass226.047745 Da
  • ChemSpider ID61516

More details:






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

1,2-Benzenedicarboxylic acid, 3,4-dimethoxy- [ACD/Index Name]
3,4-Dimethoxyphthalic acid [ACD/IUPAC Name]
3,4-Dimethoxyphthalsäure [German] [ACD/IUPAC Name]
Acide 3,4-diméthoxyphtalique [French] [ACD/IUPAC Name]
208-259-3 [EINECS]
3,4-Dimethoxy-1,2-benzenedicarboxylic acid
3,4-dimethoxybenzene-1,2-dicarboxylic acid
518-90-1 [RN]
Hemipic acid
Hemipinic acid
More...

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

NSC134534 [DBID]

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

Density: 1.4±0.1 g/cm3
Boiling Point: 396.2±42.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.0 mmHg at 25°C
Enthalpy of Vaporization: 68.2±3.0 kJ/mol
Flash Point: 157.8±21.4 °C
Index of Refraction: 1.572
Molar Refractivity: 53.5±0.3 cm3
#H bond acceptors: 6
#H bond donors: 2
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 0
ACD/LogP: 0.80
ACD/LogD (pH 5.5): -1.54
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -2.80
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 93 Å2
Polarizability: 21.2±0.5 10-24cm3
Surface Tension: 56.2±3.0 dyne/cm
Molar Volume: 162.5±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) =  0.72

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  398.67  (Adapted Stein & Brown method)
    Melting Pt (deg C):  165.27  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.22E-007  (Modified Grain method)
    Subcooled liquid VP: 8.95E-006 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):  7808
       log Kow used: 0.72 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  8946.8 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 :   7.64E-015  atm-m3/mole
   Group Method:   2.56E-013  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.227E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.72  (KowWin est)
  Log Kaw used:  -12.505  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  13.225
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.2574
   Biowin2 (Non-Linear Model)     :   0.9999
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7588  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6911  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   1.2009
   Biowin6 (MITI Non-Linear Model):   0.9783
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  1.3733
 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):  0.00119 Pa (8.95E-006 mm Hg)
  Log Koa (Koawin est  ): 13.225
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00251 
       Octanol/air (Koa) model:  4.12 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0832 
       Mackay model           :  0.167 
       Octanol/air (Koa) model:  0.997 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   4.5782 E-12 cm3/molecule-sec
      Half-Life =     2.336 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    28.036 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.125 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  38.58
      Log Koc:  1.586 

 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: 0.72 (estimated)

 Volatilization from Water:
    Henry LC:  2.56E-013 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:  3.44E+009  hours   (1.433E+008 days)
    Half-Life from Model Lake : 3.752E+010  hours   (1.563E+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       6.53e-006       56.1         1000       
   Water     36.5            360          1000       
   Soil      63.5            720          1000       
   Sediment  0.07            3.24e+003    0          
     Persistence Time: 596 hr




                    

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