ChemSpider 2D Image | homoveratrol | C9H12O2

homoveratrol

  • Molecular FormulaC9H12O2
  • Average mass152.190 Da
  • Monoisotopic mass152.083725 Da
  • ChemSpider ID61434

More details:






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

1,2-Dimethoxy-4-methylbenzene [ACD/IUPAC Name]
1,2-Diméthoxy-4-méthylbenzène [French] [ACD/IUPAC Name]
1,2-Dimethoxy-4-methylbenzol [German] [ACD/IUPAC Name]
3,4-Dimethoxytoluene
494-99-5 [RN]
4-Methyl-1,2-dimethoxybenzene
4-Methylveratrol
Benzene, 1,2-dimethoxy-4-methyl- [ACD/Index Name]
homoveratrol
[494-99-5]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

163252_ALDRICH [DBID]
38822_FLUKA [DBID]
NSC 7378 [DBID]
NSC7378 [DBID]
ZINC00388398 [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous
  • Gas Chromatography
    • Retention Index (Kovats):

      1172 (estimated with error: 68) NIST Spectra mainlib_134648, replib_249954, replib_332797
    • Retention Index (Normal Alkane):

      1195 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 35 C; End T: 230 C; End time: 25 min; Start time: 4 min; CAS no: 494995; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Lee, K.-G.; Lee, S.-E.; Takeoka, G.R.; Kim, J.-H.; Park, B.-S., Antioxidant activity and characterization of volatile constituents of beechwood creosote, J. Sci. Food Agric., 85(9), 2005, 1580-1586.) NIST Spectra nist ri
      1204 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 35 C; End T: 230 C; End time: 25 min; Start time: 4 min; CAS no: 494995; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Lee, K.-G.; Lee, S.-E.; Takeoka, G.R.; Kim, J.-H.; Park, B.-S., Antioxidant activity and characterization of volatile constituents of beechwood creosote, J. Sci. Food Agric., 85(9), 2005, 1580-1586., Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 35 C; End T: 230 C; End time: 25 min; Start time: 4 min; CAS no: 494995; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Park, B.-S.; Lee, K.-G.; Takeoka, G.R., Comparison of three sample preparation methods on the recovery of volatiles from taheebo (Tabebuia impetiginosa Martius ex DC), Flavour Fragr. J., 19, 2004, 287-292.) NIST Spectra nist ri
      1198 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 35 C; End T: 230 C; End time: 25 min; Start time: 4 min; CAS no: 494995; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Park, B.-S.; Lee, K.-G.; Takeoka, G.R., Comparison of three sample preparation methods on the recovery of volatiles from taheebo (Tabebuia impetiginosa Martius ex DC), Flavour Fragr. J., 19, 2004, 287-292.) NIST Spectra nist ri
      1199 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 35 C; End T: 230 C; End time: 25 min; Start time: 4 min; CAS no: 494995; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Park, B.-S.; Lee, K.-G.; Takeoka, G.R., Comparison of three sample preparation methods on the recovery of volatiles from taheebo (Tabebuia impetiginosa Martius ex DC), Flavour Fragr. J., 19, 2004, 287-292.) NIST Spectra nist ri
      1201 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 35 C; End T: 230 C; End time: 25 min; Start time: 4 min; CAS no: 494995; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Park, B.-S.; Lee, K.-G.; Takeoka, G.R., Comparison of three sample preparation methods on the recovery of volatiles from taheebo (Tabebuia impetiginosa Martius ex DC), Flavour Fragr. J., 19, 2004, 287-292.) NIST Spectra nist ri
      1174 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3.5 K/min; Start T: 50 C; End T: 250 C; Start time: 5 min; CAS no: 494995; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Stashenko, E.E.; Torres, W.; Morales, J.R.M., A study of the compositional variation of the essential oil of ylang-ylang (Cananga odorata Hook Fil. et Thomson, forma genuina) during flower development, J. Hi. Res. Chromatogr., 18, 1995, 101-104.) NIST Spectra nist ri
      1207 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Description: 30c (1.5min) => 20C/min => 55C =>6C/min => 200C(10min); CAS no: 494995; Active phase: RSL-150; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Buchbauer, G.; Nikiforov, A.; Remberg, B., Headspace constituents of opium, Planta Medica, 60(2), 1994, 181-183., Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 50 C; End T: 240 C; Start time: 3 min; CAS no: 494995; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Shiota, H., New esteric components in the volatiles of banana fruit (Musa sapientum L.), J. Agric. Food Chem., 41(11), 1993, 2056-2062.) NIST Spectra nist ri
      1208 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 50 C; End T: 240 C; Start time: 3 min; CAS no: 494995; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Shiota, H., New esteric components in the volatiles of banana fruit (Musa sapientum L.), J. Agric. Food Chem., 41(11), 1993, 2056-2062.) NIST Spectra nist ri
      1209.9 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 8 K/min; Start T: 40 C; End T: 250 C; End time: 10 min; Start time: 2 min; CAS no: 494995; Active phase: ZB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Mauriello, G.; Marino, R.; D'Auria, M.; Cerone, G.; Luigi Rana, G., Determination of volatile organic compounds from Truffles via SPME-GC-MS, J. Chromatogr. Sci., 42(6), 2004, 299-305.) NIST Spectra nist ri
      1236.8 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 50 C; End T: 280 C; End time: 10 min; Start time: 0.5 min; CAS no: 494995; Active phase: HP-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Guillen, M.D.; Ibargoitia, M.L., New components with potential antioxidant and organoleptic properties, detected for the first time in liquid smoke flavoring preparations, J. Agric. Food Chem., 46, 1998, 1276-1285.) NIST Spectra nist ri
      1798 (Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Description: 30C(4min) =>2C/min =>170C(25min)=>10C/min =>210C(10min); CAS no: 494995; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Lee, K.-G.; Lee, S.-E.; Takeoka, G.R.; Kim, J.-H.; Park, B.-S., Antioxidant activity and characterization of volatile constituents of beechwood creosote, J. Sci. Food Agric., 85(9), 2005, 1580-1586.) NIST Spectra nist ri
      1806 (Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Description: 30C(4min) =>2C/min =>170C(25min)=>10C/min =>210C(10min); CAS no: 494995; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Lee, K.-G.; Lee, S.-E.; Takeoka, G.R.; Kim, J.-H.; Park, B.-S., Antioxidant activity and characterization of volatile constituents of beechwood creosote, J. Sci. Food Agric., 85(9), 2005, 1580-1586., Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 80 C; End T: 250 C; End time: 30 min; CAS no: 494995; Active phase: TC-Wax; Carrier gas: He; Data type: Normal alkane RI; Authors: Miyazawa, M.; Okuno, Y., Volatile components from the roots of Scrophularia ningpoensis Hemsl., Flavour Fragr. J., 18, 2003, 398-400.) NIST Spectra nist ri
      1807.6 (Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Description: 40C=> 10C/min =>60C=> 3C/min =>200C (15min); CAS no: 494995; Active phase: Carbowax 20M; Carrier gas: He; Phase thickness: 0.2 um; Data type: Normal alkane RI; Authors: Diaz, P.; Ibanez, E.; Senorans, F.J.; Reglero, G., Truffle aroma characterization by headspace solid-phase microextraction, J. Chromatogr. A, 1017, 2003, 207-214.) NIST Spectra nist ri
      1807 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 70 C; End T: 210 C; CAS no: 494995; Active phase: PEG-20M; Carrier gas: He; Data type: Normal alkane RI; Authors: Awano, K.; Honda, T.; Ogawa, T.; Suzuki, S.; Matsunaga, Y., Volatile components of Phalaenopsis schilleriana Rehb. f., Flavour Fragr. J., 12, 1997, 341-344.) NIST Spectra nist ri
      1800.1 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.02 in; Column length: 50 ft; Column type: Capillary; Heat rate: 2 K/min; Start T: 30 C; End T: 175 C; CAS no: 494995; Active phase: Carbowax 20M; Carrier gas: He; Data type: Normal alkane RI; Authors: Hruza, D.E., Sr.; van Praag, M.; Heinsohn, H., Jr., Isolation and identification of the components of the tar of hickory wood smoke, J. Agric. Food Chem., 22(1), 1974, 123-126.) NIST Spectra nist ri
    • Retention Index (Linear):

      1171 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3.5 K/min; Start T: 50 C; End T: 250 C; Start time: 5 min; CAS no: 494995; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Stashenko, E.E.; Prada, N.Q.; Martinez, J.R., HRGC/FID/NP and HRGC/MSD study of Colombian Ylang-Ylang (Cananga odorata) oils obtained by different extraction techniques, J. Hi. Res. Chromatogr., 19, 1996, 353-358.) NIST Spectra nist ri
      1246 (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: 494995; 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., 2007.) NIST Spectra nist ri
      1230 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 35 C; End T: 270 C; End time: 20 min; CAS no: 494995; Active phase: DB-5; Carrier gas: H2; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Alves, R.J.V.; Pinto, A.C.; da Costa, A.V.M.; Rezende, C.M., Zizyphus mauritiana Lam. (Rhamnaceae) and the chemical composition of its floral fecal odor, J. Braz. Chem. Soc., 16(3B), 2005, 654-656.) 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: 220.0±0.0 °C at 760 mmHg
Vapour Pressure: 0.2±0.4 mmHg at 25°C
Enthalpy of Vaporization: 43.8±3.0 kJ/mol
Flash Point: 72.6±21.3 °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):  0.131  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  24 deg C
    BP  (exp database):  220 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]:  2.597E-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):  16.3 Pa (0.122 mm Hg)
  Log Koa (Koawin est  ): 5.260
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.84E-007 
       Octanol/air (Koa) model:  4.47E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  6.66E-006 
       Mackay model           :  1.48E-005 
       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): 1.07E-005 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  138.6
      Log Koc:  2.142 

 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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