ChemSpider 2D Image | 2,6-Dimethoxybenzoic acid | C9H10O4

2,6-Dimethoxybenzoic acid

  • Molecular FormulaC9H10O4
  • Average mass182.173 Da
  • Monoisotopic mass182.057907 Da
  • ChemSpider ID14381

More details:






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

1466-76-8 [RN]
2,6-Dimethoxybenzoesäure [German] [ACD/IUPAC Name]
2,6-Dimethoxybenzoic acid [ACD/IUPAC Name]
215-985-4 [EINECS]
Acide 2,6-diméthoxybenzoïque [French] [ACD/IUPAC Name]
Benzoic acid, 2,6-dimethoxy- [ACD/Index Name]
QVR BO1 FO1 [WLN]
[1466-76-8] [RN]
15109 [PubChem CID]
More...

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

G6B3P1LO43 [DBID]
MFCD00002437 [DBID] [MDL number]
AIDS018090 [DBID]
AIDS-018090 [DBID]
CCRIS 4693 [DBID]
D131601_ALDRICH [DBID]
NSC 28591 [DBID]
NSC28591 [DBID]
UNII:G6B3P1LO43 [DBID]
UNII-G6B3P1LO43 [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Safety:

      26 Alfa Aesar A14418
      36 Alfa Aesar A14418
      H319 Alfa Aesar A14418
      P305+P351+P338 Alfa Aesar A14418
      Warning Alfa Aesar A14418
      WARNING: Irritates skin and eyes Alfa Aesar A14418
      WARNING: Irritates skin and eyes, harmful if swallowed Alfa Aesar A14418
  • Gas Chromatography
    • Retention Index (Kovats):

      1528 (estimated with error: 89) NIST Spectra mainlib_235134, replib_76351
    • Retention Index (Normal Alkane):

      1460 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column length: 1.8 m; Column type: Packed; Start T: 140 C; CAS no: 1466768; Active phase: Apieson L; Carrier gas: Nitrogen; Substrate: Chromosorb W HMDS (60-80 mesh); Data type: Normal alkane RI; Authors: Hedin, P.A.; Minyard, J.P.; Thompson, A.C., Chromatographic and spectral analysis of phenolic acids and related compounds, J. Chromatogr., 30, 1967, 43-53.) NIST Spectra nist ri

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 1.2±0.1 g/cm3
Boiling Point: 314.5±22.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.7 mmHg at 25°C
Enthalpy of Vaporization: 58.7±3.0 kJ/mol
Flash Point: 126.5±15.8 °C
Index of Refraction: 1.533
Molar Refractivity: 46.5±0.3 cm3
#H bond acceptors: 4
#H bond donors: 1
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 0.98
ACD/LogD (pH 5.5): -0.12
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 4.16
ACD/LogD (pH 7.4): -1.56
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 56 Å2
Polarizability: 18.5±0.5 10-24cm3
Surface Tension: 42.4±3.0 dyne/cm
Molar Volume: 150.0±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) =  0.94
    Log Kow (Exper. database match) =  0.66
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  313.42  (Adapted Stein & Brown method)
    Melting Pt (deg C):  95.65  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.98E-005  (Modified Grain method)
    MP  (exp database):  186 dec deg C
    VP  (exp database):  1.90E-07 mm Hg at 25 deg C
    Subcooled liquid VP: 7.43E-006 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):  1.468e+004
       log Kow used: 0.66 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2232.1 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 :   3.79E-010  atm-m3/mole
   Group Method:   3.01E-008  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  3.233E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.66  (exp database)
  Log Kaw used:  -7.810  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.470
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1015
   Biowin2 (Non-Linear Model)     :   0.9994
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7682  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7469  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.9631
   Biowin6 (MITI Non-Linear Model):   0.9403
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  1.0123
 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):  0.000991 Pa (7.43E-006 mm Hg)
  Log Koa (Koawin est  ): 8.470
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00303 
       Octanol/air (Koa) model:  7.24E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0986 
       Mackay model           :  0.195 
       Octanol/air (Koa) model:  0.00576 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  89.9924 E-12 cm3/molecule-sec
      Half-Life =     0.119 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.426 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.147 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  10
      Log Koc:  1.000 

 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: 0.66 (expkow database)

 Volatilization from Water:
    Henry LC:  3.01E-008 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River: 2.626E+004  hours   (1094 days)
    Half-Life from Model Lake : 2.865E+005  hours   (1.194E+004 days)

 Removal In Wastewater Treatment:
    Total removal:               1.87  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.77  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       0.249           2.85         1000       
   Water     42.5            360          1000       
   Soil      57.2            720          1000       
   Sediment  0.0811          3.24e+003    0          
     Persistence Time: 413 hr




                    

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