ChemSpider 2D Image | p-Benzoquinone, 2-(methylthio)- | C7H6O2S

p-Benzoquinone, 2-(methylthio)-

  • Molecular FormulaC7H6O2S
  • Average mass154.186 Da
  • Monoisotopic mass154.008850 Da
  • ChemSpider ID515488

More details:

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

2-(Methylsulfanyl)-1,4-benzochinon [German] [ACD/IUPAC Name]
2-(Methylsulfanyl)-1,4-benzoquinone [ACD/IUPAC Name]
2-(Méthylsulfanyl)-1,4-benzoquinone [French] [ACD/IUPAC Name]
2-(Methylsulfanyl)benzo-1,4-quinone
2,5-Cyclohexadiene-1,4-dione, 2-(methylthio)- [ACD/Index Name]
p-Benzoquinone, 2-(methylthio)-
18232-06-9 [RN]
2-(Methylthio)-1,4-benzoquinone
MFCD24688641

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

Density: 1.3±0.1 g/cm3
Boiling Point: 258.7±35.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.5 mmHg at 25°C
Enthalpy of Vaporization: 49.6±3.0 kJ/mol
Flash Point: 113.5±16.0 °C
Index of Refraction: 1.582
Molar Refractivity: 40.2±0.4 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 0.81
ACD/LogD (pH 5.5): 0.92
ACD/BCF (pH 5.5): 2.92
ACD/KOC (pH 5.5): 74.92
ACD/LogD (pH 7.4): 0.92
ACD/BCF (pH 7.4): 2.92
ACD/KOC (pH 7.4): 74.92
Polar Surface Area: 59 Å2
Polarizability: 16.0±0.5 10-24cm3
Surface Tension: 46.5±5.0 dyne/cm
Molar Volume: 120.6±5.0 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) =  0.69

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  283.73  (Adapted Stein & Brown method)
    Melting Pt (deg C):  72.00  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00166  (Modified Grain method)
    Subcooled liquid VP: 0.00461 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):  1.857e+004
       log Kow used: 0.69 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  7920.8 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Quinone/Hydroquinone

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.36E-011  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.813E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.69  (KowWin est)
  Log Kaw used:  -8.749  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  9.439
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6878
   Biowin2 (Non-Linear Model)     :   0.4783
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8135  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5808  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5079
   Biowin6 (MITI Non-Linear Model):   0.4617
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.2478
 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):  0.615 Pa (0.00461 mm Hg)
  Log Koa (Koawin est  ): 9.439
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.88E-006 
       Octanol/air (Koa) model:  0.000675 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000176 
       Mackay model           :  0.00039 
       Octanol/air (Koa) model:  0.0512 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  15.6621 E-12 cm3/molecule-sec
      Half-Life =     0.683 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     8.195 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.350000 E-17 cm3/molecule-sec
      Half-Life =     3.274 Days (at 7E11 mol/cm3)
      Half-Life =     78.583 Hrs
   Fraction sorbed to airborne particulates (phi): 0.000283 (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: 0.69 (estimated)

 Volatilization from Water:
    Henry LC:  4.36E-011 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.667E+007  hours   (6.948E+005 days)
    Half-Life from Model Lake : 1.819E+008  hours   (7.579E+006 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       0.000999        13.6         1000       
   Water     36.6            360          1000       
   Soil      63.3            720          1000       
   Sediment  0.0701          3.24e+003    0          
     Persistence Time: 595 hr

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