ChemSpider 2D Image | Isohomoveratrol | C9H12O2

Isohomoveratrol

  • Molecular FormulaC9H12O2
  • Average mass152.190 Da
  • Monoisotopic mass152.083725 Da
  • ChemSpider ID70591

More details:






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

1,2-Dimethoxy-3-methylbenzene [ACD/IUPAC Name]
1,2-Diméthoxy-3-méthylbenzène [French] [ACD/IUPAC Name]
1,2-Dimethoxy-3-methylbenzol [German] [ACD/IUPAC Name]
2,3-DIMETHOXYTOLUENE
224-726-4 [EINECS]
227-097-4 [EINECS]
3-methylveratrole
4463-33-6 [RN]
5653-62-3 [RN]
Benzene, 1,2-dimethoxy-3-methyl- [ACD/Index Name]
More...

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

G1TE317GHW [DBID]
115878_ALDRICH [DBID]
AI3-11031 [DBID]
NCIOpen2_000509 [DBID]
NSC72350 [DBID]
ZINC00388105 [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Safety:

      CAUTION: May irritate eyes, skin, and respiratory tract Alfa Aesar A11617
      WARNING: Irritates lungs, eyes, skin Alfa Aesar A11617
  • Gas Chromatography
    • Retention Index (Kovats):

      1172 (estimated with error: 68) NIST Spectra mainlib_352788, replib_108071, replib_236093
    • Retention Index (Normal Alkane):

      1237.1 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 40 C; End T: 240 C; CAS no: 4463336; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Moldoveanu, S.C., Pyrolysis GC/MS, present and future (recent past and present needs), J. Microcolumn Sep., 13(3), 2001, 102-125.) NIST Spectra nist ri
    • Retention Index (Linear):

      1182.5 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: Multi-step temperature program; T(initial)=60C; T(final)=270C; CAS no: 4463336; Active phase: VF-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Tret'yakov, K.V., Retention Data. NIST Mass Spectrometry Data Center., 2008.) NIST Spectra nist ri
      1247 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 70C =>5C/min =>85C(1min) =>3C/min =>165C=> 10C/min => 280C(3min); CAS no: 4463336; Active phase: DB-5MS; Carrier gas: He; Phase thickness: 0.5 um; Data type: Linear RI; Authors: Varlet, V.; Serot, T.; Cardinal, M.; Knockaert, C.; Prost, C., Olfactometric Determination of the Most Potent Odor-Active Compounds in Salmon Muscle (Salmo salar) Smoked by Using Four Smoke Generation Techniques, J. Agric. Food Chem., 55, 2007, 4518-4525., Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 70C(1min) =>3C/min =>80C(1min) =>5C/min =>150C => 10C/min =>280C (4min); CAS no: 4463336; Active phase: DB-5MS; Carrier gas: He; Phase thickness: 0.5 um; Data type: Linear RI; Authors: Varlet V.; Knockaert C.; Prost C.; Serot T., Comparison of odor-active volatile compounds of fresh and smoked salmon, J. Agric. Food Chem., 54, 2006, 3391-3401.) NIST Spectra nist ri

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

Density: 1.0±0.1 g/cm3
Boiling Point: 201.4±20.0 °C at 760 mmHg
Vapour Pressure: 0.4±0.4 mmHg at 25°C
Enthalpy of Vaporization: 42.0±3.0 kJ/mol
Flash Point: 85.6±0.0 °C
Index of Refraction: 1.490
Molar Refractivity: 44.4±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 2.41
ACD/LogD (pH 5.5): 2.09
ACD/BCF (pH 5.5): 22.95
ACD/KOC (pH 5.5): 327.89
ACD/LogD (pH 7.4): 2.09
ACD/BCF (pH 7.4): 22.95
ACD/KOC (pH 7.4): 327.89
Polar Surface Area: 18 Å2
Polarizability: 17.6±0.5 10-24cm3
Surface Tension: 29.5±3.0 dyne/cm
Molar Volume: 153.7±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) =  2.19

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  212.13  (Adapted Stein & Brown method)
    Melting Pt (deg C):  12.07  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.295  (Mean VP of Antoine & Grain methods)
    BP  (exp database):  204 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1010
       log Kow used: 2.19 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  172.3 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.08E-005  atm-m3/mole
   Group Method:   3.79E-003  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  5.849E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.19  (KowWin est)
  Log Kaw used:  -3.070  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.260
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9936
   Biowin2 (Non-Linear Model)     :   0.9973
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6718  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.7139  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7168
   Biowin6 (MITI Non-Linear Model):   0.8152
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.3749
 Ready Biodegradability Prediction:   NO

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  36.1 Pa (0.271 mm Hg)
  Log Koa (Koawin est  ): 5.260
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  8.3E-008 
       Octanol/air (Koa) model:  4.47E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  3E-006 
       Mackay model           :  6.64E-006 
       Octanol/air (Koa) model:  3.57E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  50.3554 E-12 cm3/molecule-sec
      Half-Life =     0.212 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.549 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 4.82E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  141.5
      Log Koc:  2.151 

 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 = 0.983 (BCF = 9.609)
       log Kow used: 2.19 (estimated)

 Volatilization from Water:
    Henry LC:  0.00379 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      1.449  hours
    Half-Life from Model Lake :      119.3  hours   (4.969 days)

 Removal In Wastewater Treatment:
    Total removal:              60.60  percent
    Total biodegradation:        0.05  percent
    Total sludge adsorption:     1.32  percent
    Total to Air:               59.24  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       4.57            5.1          1000       
   Water     65.3            900          1000       
   Soil      29.8            1.8e+003     1000       
   Sediment  0.323           8.1e+003     0          
     Persistence Time: 126 hr


 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  2.19

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  212.13  (Adapted Stein & Brown method)
    Melting Pt (deg C):  12.07  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.295  (Mean VP of Antoine & Grain methods)
    BP  (exp database):  204 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1010
       log Kow used: 2.19 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  172.3 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.08E-005  atm-m3/mole
   Group Method:   3.79E-003  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  5.849E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.19  (KowWin est)
  Log Kaw used:  -3.070  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.260
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9936
   Biowin2 (Non-Linear Model)     :   0.9973
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6718  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.7139  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7168
   Biowin6 (MITI Non-Linear Model):   0.8152
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.3749
 Ready Biodegradability Prediction:   NO

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  36.1 Pa (0.271 mm Hg)
  Log Koa (Koawin est  ): 5.260
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  8.3E-008 
       Octanol/air (Koa) model:  4.47E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  3E-006 
       Mackay model           :  6.64E-006 
       Octanol/air (Koa) model:  3.57E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  50.3554 E-12 cm3/molecule-sec
      Half-Life =     0.212 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.549 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 4.82E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  141.5
      Log Koc:  2.151 

 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 = 0.983 (BCF = 9.609)
       log Kow used: 2.19 (estimated)

 Volatilization from Water:
    Henry LC:  0.00379 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      1.449  hours
    Half-Life from Model Lake :      119.3  hours   (4.969 days)

 Removal In Wastewater Treatment:
    Total removal:              60.60  percent
    Total biodegradation:        0.05  percent
    Total sludge adsorption:     1.32  percent
    Total to Air:               59.24  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       4.57            5.1          1000       
   Water     65.3            900          1000       
   Soil      29.8            1.8e+003     1000       
   Sediment  0.323           8.1e+003     0          
     Persistence Time: 126 hr


 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  2.19

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  212.13  (Adapted Stein & Brown method)
    Melting Pt (deg C):  12.07  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.295  (Mean VP of Antoine & Grain methods)
    BP  (exp database):  204 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1010
       log Kow used: 2.19 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  172.3 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.08E-005  atm-m3/mole
   Group Method:   3.79E-003  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  5.849E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.19  (KowWin est)
  Log Kaw used:  -3.070  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.260
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9936
   Biowin2 (Non-Linear Model)     :   0.9973
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6718  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.7139  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7168
   Biowin6 (MITI Non-Linear Model):   0.8152
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.3749
 Ready Biodegradability Prediction:   NO

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  36.1 Pa (0.271 mm Hg)
  Log Koa (Koawin est  ): 5.260
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  8.3E-008 
       Octanol/air (Koa) model:  4.47E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  3E-006 
       Mackay model           :  6.64E-006 
       Octanol/air (Koa) model:  3.57E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  50.3554 E-12 cm3/molecule-sec
      Half-Life =     0.212 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.549 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 4.82E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  141.5
      Log Koc:  2.151 

 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 = 0.983 (BCF = 9.609)
       log Kow used: 2.19 (estimated)

 Volatilization from Water:
    Henry LC:  0.00379 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      1.449  hours
    Half-Life from Model Lake :      119.3  hours   (4.969 days)

 Removal In Wastewater Treatment:
    Total removal:              60.60  percent
    Total biodegradation:        0.05  percent
    Total sludge adsorption:     1.32  percent
    Total to Air:               59.24  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       4.57            5.1          1000       
   Water     65.3            900          1000       
   Soil      29.8            1.8e+003     1000       
   Sediment  0.323           8.1e+003     0          
     Persistence Time: 126 hr




                    

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