ChemSpider 2D Image | 2,4,6,8-Tetrathia-s-indacene-1,3,5,7-tetraone | C8O4S4

2,4,6,8-Tetrathia-s-indacene-1,3,5,7-tetraone

  • Molecular FormulaC8O4S4
  • Average mass288.343 Da
  • Monoisotopic mass287.867950 Da
  • ChemSpider ID1286077

More details:

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

2,4,6,8-Tetrathia-s-indacene-1,3,5,7-tetraone
Bisthieno[3,4-b:3',4'-e][1,4]dithiin-1,3,5,7-tetron [German] [ACD/IUPAC Name]
Bisthieno[3,4-b:3',4'-e][1,4]dithiine-1,3,5,7-tetrone [ACD/IUPAC Name]
Bisthiéno[3,4-b:3',4'-e][1,4]dithiine-1,3,5,7-tétrone [French] [ACD/IUPAC Name]
Dithieno[3,4-b:3',4'-e][1,4]dithiin-1,3,5,7-tetrone [ACD/Index Name]
6579-03-9 [RN]
c8o4s4
dithieno[5,4-a:5',4'-e][1,4]dithiine-1,3,5,7-tetrone
S-Indacene-1,3,5,7-tetraone, 2,4,6,8-tetrathia-

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

BAS 00372877 [DBID]
ZINC01799650 [DBID]

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

Density: 2.1±0.1 g/cm3
Boiling Point: 438.4±55.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.1 mmHg at 25°C
Enthalpy of Vaporization: 69.5±3.0 kJ/mol
Flash Point: 205.9±21.6 °C
Index of Refraction: 1.928
Molar Refractivity: 64.4±0.4 cm3
#H bond acceptors: 4
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 0.13
ACD/LogD (pH 5.5): 0.70
ACD/BCF (pH 5.5): 2.01
ACD/KOC (pH 5.5): 57.43
ACD/LogD (pH 7.4): 0.70
ACD/BCF (pH 7.4): 2.01
ACD/KOC (pH 7.4): 57.43
Polar Surface Area: 169 Å2
Polarizability: 25.5±0.5 10-24cm3
Surface Tension: 124.5±5.0 dyne/cm
Molar Volume: 135.5±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) =  0.47

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  472.34  (Adapted Stein & Brown method)
    Melting Pt (deg C):  199.68  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.96E-009  (Modified Grain method)
    Subcooled liquid VP: 1.36E-007 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):  5714
       log Kow used: 0.47 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.92E-014  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.301E-013 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.47  (KowWin est)
  Log Kaw used:  -12.105  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.575
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6103
   Biowin2 (Non-Linear Model)     :   0.2525
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.5620  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4318  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.1456
   Biowin6 (MITI Non-Linear Model):   0.0030
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.8361
 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):  1.81E-005 Pa (1.36E-007 mm Hg)
  Log Koa (Koawin est  ): 12.575
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.165 
       Octanol/air (Koa) model:  0.923 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.857 
       Mackay model           :  0.93 
       Octanol/air (Koa) model:  0.987 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  32.3500 E-12 cm3/molecule-sec
      Half-Life =     0.331 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.968 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): 0.893 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  178.4
      Log Koc:  2.251 

 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: 0.47 (estimated)

 Volatilization from Water:
    Henry LC:  1.92E-014 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 5.178E+010  hours   (2.157E+009 days)
    Half-Life from Model Lake : 5.649E+011  hours   (2.354E+010 days)

 Removal In Wastewater Treatment:
    Total removal:               1.86  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       2.52e-006       7.21         1000       
   Water     44.5            900          1000       
   Soil      55.4            1.8e+003     1000       
   Sediment  0.0879          8.1e+003     0          
     Persistence Time: 999 hr

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