2,5-dimethoxytoluene

Experimental data
Predicted - ACD/Labs
Predicted - EPISuite
Predicted - ChemAxon
Predicted - Mcule

Experimental Physico-chemical Properties

Experimental Melting Point:

Experimental Boiling Point:

220 °C Alfa Aesar

220 °C Alfa Aesar B21631
Experimental Flash Point:

102 °C Alfa Aesar

102 °C Alfa Aesar

102 °F (38.8889 °C) Alfa Aesar B21631
Experimental Refraction Index:

1.524 Alfa Aesar B21631
Experimental Density:

1.05 g/mL Alfa Aesar B21631

Miscellaneous

Retention Index (Normal Alkane):

1219 (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: 24599584; 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

1229 (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: 24599584; 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

1249 (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: 24599584; 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

1253.1 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 50 0C (2 min) ^ 7 0C/min -> 140 0C ^ 17.5 0C/min -> 260 0C; CAS no: 24599584; Active phase: BPX-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Seitz, L.M.; Ram, M.S., Volatile methoxybenzene compounds in grains with off-odors, J. Agric. Food Chem., 48, 2000, 4279-4289.) NIST Spectra nist ri

1787 (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: 24599584; 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

1792 (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: 24599584; 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

1797.6 (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: 24599584; 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

Retention Index (Linear):

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

Density:	1.0±0.1 g/cm³
Boiling Point:	222.4±20.0 °C at 760 mmHg
Vapour Pressure:	0.2±0.4 mmHg at 25°C
Enthalpy of Vaporization:	44.0±3.0 kJ/mol
Flash Point:	81.9±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:	2.56
ACD/LogD (pH 5.5):	2.35
ACD/BCF (pH 5.5):	35.93
ACD/KOC (pH 5.5):	451.90
ACD/LogD (pH 7.4):	2.35
ACD/BCF (pH 7.4):	35.93
ACD/KOC (pH 7.4):	451.90
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) =  2.70

 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):  0.196  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  365.5
       log Kow used: 2.70 (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]:  1.074E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.70  (KowWin est)
  Log Kaw used:  -3.070  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.770
      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):  24.1 Pa (0.181 mm Hg)
  Log Koa (Koawin est  ): 5.770
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.24E-007 
       Octanol/air (Koa) model:  1.45E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  4.49E-006 
       Mackay model           :  9.94E-006 
       Octanol/air (Koa) model:  1.16E-005 

 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): 7.22E-006 (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 = 1.381 (BCF = 24.02)
       log Kow used: 2.70 (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:              60.93  percent
    Total biodegradation:        0.06  percent
    Total sludge adsorption:     2.33  percent
    Total to Air:               58.54  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       2.99            5.1          1000       
   Water     43.8            900          1000       
   Soil      52.7            1.8e+003     1000       
   Sediment  0.527           8.1e+003     0          
     Persistence Time: 187 hr

Click to predict properties on the Chemicalize site

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More details:

Experimental Melting Point:

Experimental Boiling Point:

Experimental Flash Point:

Experimental Refraction Index:

Experimental Density:

Safety:

Retention Index (Kovats):

Retention Index (Normal Alkane):

Retention Index (Linear):

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