3,4-Dimethoxyphenol C8H10O3 structure – Flashcards

Flashcard maker : Noel Macdonald

C8H10O3 structure
Molecular Formula C8H10O3
Average mass 154.163 Da
Density 1.1±0.1 g/cm3
Boiling Point 271.2±20.0 °C at 760 mmHg
Flash Point 117.8±21.8 °C
Molar Refractivity 41.5±0.3 cm3
Polarizability 16.4±0.5 10-24cm3
Surface Tension 37.2±3.0 dyne/cm
Molar Volume 135.9±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Predicted – Mcule
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      79-82 °C Alfa Aesar
      83 °C Jean-Claude Bradley Open Melting Point Dataset 14012
      81 °C Jean-Claude Bradley Open Melting Point Dataset 3343
      79-82 °C Alfa Aesar A11344
      82 °C Biosynth Q-101910
      79-800 °C LabNetwork LN00182141
    • Experimental Boiling Point:

      167 deg C / 14 mm (329.7493 °C / 760 mmHg)
      Alfa Aesar
      167 °C / 14 mm (329.7493 °C / 760 mmHg)
      Alfa Aesar A11344
      271.2 °C Biosynth Q-101910
    • Experimental Flash Point:

      117.8 °C Biosynth Q-101910
    • Experimental Gravity:

      117.8 g/mL Biosynth Q-101910
  • Predicted Physico-chemical Properties
    • Predicted Melting Point:

      79-82 °C J&K Scientific 431051
      80 °C TCI
      80 °C TCI D3221
  • Miscellaneous
    • Appearance:

      Not Available Novochemy
      [NC-29767]
    • Safety:

      20/21/22 Novochemy
      [NC-29767]
      20/21/36/37/39 Novochemy
      [NC-29767]
      26-37 Alfa Aesar A11344
      36/37/38 Alfa Aesar A11344
      GHS07 Biosynth Q-101910
      GHS07; GHS09 Novochemy
      [NC-29767]
      H315; H319; H335 Biosynth Q-101910
      H315-H319-H335 Alfa Aesar A11344
      H332; H403 Novochemy
      [NC-29767]
      IRRITANT Matrix Scientific 084602
      Irritant/Light Sensitive/Store under Argon SynQuest 2608-1-00
      P261; P280; P302+P352; P304+P340; P305+P351+P338; P312 Biosynth Q-101910
      P261-P280-P305+P351+P338-P304+P340-P405-P501a Alfa Aesar A11344
      P332+P313; P305+P351+P338 Novochemy
      [NC-29767]
      R52/53 Novochemy
      [NC-29767]
      Warning Alfa Aesar A11344
      Warning Biosynth Q-101910
      Warning Novochemy
      [NC-29767]
      WARNING: Irritates lungs, eyes, skin Alfa Aesar A11344
      Xi Abblis Chemicals AB1011864
  • Gas Chromatography
    • Retention Index (Kovats):

      1279 (estimated with error: 89) NIST Spectra mainlib_333360, replib_33989, replib_191070
    • Retention Index (Normal Alkane):

      1383 (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: 2033898; 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
      1384 (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: 2033898; 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
      1366.7 (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: 2033898; Active phase: HP-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Guillen, M.D.; Manzanos, M.J., Study of the volatile composition of an aqueous oak smoke preparation, Food Chem., 79, 2002, 283-292.) NIST Spectra nist ri
      1364.1 (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: 2033898; 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
      2738 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 50 C; End T: 240 C; End time: 10 min; Start time: 3 min; CAS no: 2033898; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Parada, F.; Duque, C., Studies on the aroma of pinuela fruit pulp (Bromelia plumieri): Free and bound volatile composition and characterization of some glucoconjugates as aroma precursors, J. Hi. Res. Chromatogr., 21(10), 1998, 577-581.) NIST Spectra nist ri
    • Retention Index (Linear):

      2750 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 60 C; End T: 245 C; End time: 20 min; Start time: 3 min; CAS no: 2033898; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.5 um; Data type: Linear RI; Authors: Bureau, S.M.; Baumes, R.L.; Razungles, A.J., Effects of vine or bunch shading on the glycosylated flavor precursors in grapes of Vitis vinifera L. Cv. Syrah, J. Agric. Food Chem., 48, 2000, 1290-1297., Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 60 C; End T: 245 C; End time: 20 min; Start time: 3 min; CAS no: 2033898; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.5 um; Data type: Linear RI; Authors: Wirth, J.; Guo, W.; Baumes, R.; Gunata, Z., Volatile compounds released by enzymatic hydrolysis of glycoconjugates of leaves and grape berries from Vitis vinifera muscat of Alexandria and Shiraz cultivars, J. Agric. Food Chem., 49, 2001, 2917-2923.) NIST Spectra nist ri

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

Density: 1.1±0.1 g/cm3
Boiling Point: 271.2±20.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.6 mmHg at 25°C
Enthalpy of Vaporization: 53.0±3.0 kJ/mol
Flash Point: 117.8±21.8 °C
Index of Refraction: 1.523
Molar Refractivity: 41.5±0.3 cm3
#H bond acceptors: 3
#H bond donors: 1
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 1.25
ACD/LogD (pH 5.5): 1.44
ACD/BCF (pH 5.5): 7.31
ACD/KOC (pH 5.5): 144.58
ACD/LogD (pH 7.4): 1.44
ACD/BCF (pH 7.4): 7.30
ACD/KOC (pH 7.4): 144.28
Polar Surface Area: 39 Å2
Polarizability: 16.4±0.5 10-24cm3
Surface Tension: 37.2±3.0 dyne/cm
Molar Volume: 135.9±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) = 1.16

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 249.07 (Adapted Stein & Brown method)
 Melting Pt (deg C): 55.14 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.00617 (Modified Grain method)
 Subcooled liquid VP: 0.0117 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): 2.837e+004
 log Kow used: 1.16 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 16632 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 1.96E-009 atm-m3/mole
 Group Method: 4.35E-007 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 4.412E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 1.16 (KowWin est)
 Log Kaw used: -7.096 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 8.256
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 1.0538
 Biowin2 (Non-Linear Model) : 0.9980
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.7986 (weeks )
 Biowin4 (Primary Survey Model) : 3.8192 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.7337
 Biowin6 (MITI Non-Linear Model): 0.8332
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.8274
 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): 1.56 Pa (0.0117 mm Hg)
 Log Koa (Koawin est ): 8.256
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.92E-006 
 Octanol/air (Koa) model: 4.43E-005 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 6.95E-005 
 Mackay model : 0.000154 
 Octanol/air (Koa) model: 0.00353 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 201.7992 E-12 cm3/molecule-sec
 Half-Life = 0.053 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 0.636 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Reaction With Nitrate Radicals May Be Important!
 Fraction sorbed to airborne particulates (phi): 0.000112 (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 = 0.192 (BCF = 1.554)
 log Kow used: 1.16 (estimated)

 Volatilization from Water:
 Henry LC: 4.35E-007 atm-m3/mole (estimated by Group SAR Method)
 Half-Life from Model River: 1672 hours (69.69 days)
 Half-Life from Model Lake : 1.835E+004 hours (764.5 days)

 Removal In Wastewater Treatment:
 Total removal: 1.93 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 1.81 percent
 Total to Air: 0.02 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 0.175 1.27 1000 
 Water 42.6 360 1000 
 Soil 57.1 720 1000 
 Sediment 0.0886 3.24e+003 0 
 Persistence Time: 361 hr




 

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