ChemSpider 2D Image | 252T60R010 | C12H4Cl4O2

252T60R010

  • Molecular FormulaC12H4Cl4O2
  • Average mass321.971 Da
  • Monoisotopic mass319.896545 Da
  • ChemSpider ID35310

More details:

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

1,4,6,9-Tetrachlorodibenzo(b,e)(1,4)dioxin
1,4,6,9-TETRACHLORODIBENZO-P-DIOXIN
1,4,6,9-Tetrachlorooxanthrene [ACD/IUPAC Name]
1,4,6,9-Tétrachlorooxanthrène [French] [ACD/IUPAC Name]
1,4,6,9-Tetrachloroxanthren [German] [ACD/IUPAC Name]
252T60R010
40581-93-9 [RN]
Dibenzo(b,e)(1,4)dioxin, 1,4,6,9-tetrachloro-
Dibenzo[b,e][1,4]dioxin, 1,4,6,9-tetrachloro- [ACD/Index Name]
Dibenzo-p-dioxin, 1,4,6,9-tetrachloro
More...

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

BRN 1320995 [DBID]
  • Miscellaneous

    • Toxicity:

      Organic Compound; Organochloride; Aromatic Hydrocarbon; Industrial By-product/Pollutant; Chlorinated Dibenzo-p-dioxin; Ether; Pollutant; Industrial/Workplace Toxin; Synthetic Compound Toxin, Toxin-Target Database T3D2090

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

Density: 1.6±0.1 g/cm3
Boiling Point: 408.2±45.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.9 mmHg at 25°C
Enthalpy of Vaporization: 63.4±3.0 kJ/mol
Flash Point: 159.3±28.8 °C
Index of Refraction: 1.656
Molar Refractivity: 72.0±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 1
ACD/LogP: 6.24
ACD/LogD (pH 5.5): 6.30
ACD/BCF (pH 5.5): 36100.03
ACD/KOC (pH 5.5): 63657.24
ACD/LogD (pH 7.4): 6.30
ACD/BCF (pH 7.4): 36100.03
ACD/KOC (pH 7.4): 63657.24
Polar Surface Area: 18 Å2
Polarizability: 28.5±0.5 10-24cm3
Surface Tension: 57.4±3.0 dyne/cm
Molar Volume: 196.0±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) =  6.92

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  379.17  (Adapted Stein & Brown method)
    Melting Pt (deg C):  141.85  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.75E-006  (Modified Grain method)
    Subcooled liquid VP: 2.65E-005 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):  0.000872
       log Kow used: 6.92 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.0037973 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.53E-006  atm-m3/mole
   Group Method:   3.54E-005  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  8.502E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  6.92  (KowWin est)
  Log Kaw used:  -3.841  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.761
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.1284
   Biowin2 (Non-Linear Model)     :   0.0059
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.5450  (recalcitrant)
   Biowin4 (Primary Survey Model) :   2.8761  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2023
   Biowin6 (MITI Non-Linear Model):   0.0108
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.7987
 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):  0.00353 Pa (2.65E-005 mm Hg)
  Log Koa (Koawin est  ): 10.761
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000849 
       Octanol/air (Koa) model:  0.0142 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0298 
       Mackay model           :  0.0636 
       Octanol/air (Koa) model:  0.531 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.7530 E-12 cm3/molecule-sec
      Half-Life =    14.204 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0467 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.525E+005
      Log Koc:  5.183 

 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 = 4.628 (BCF = 4.247e+004)
       log Kow used: 6.92 (estimated)

 Volatilization from Water:
    Henry LC:  3.54E-005 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      31.51  hours   (1.313 days)
    Half-Life from Model Lake :      494.2  hours   (20.59 days)

 Removal In Wastewater Treatment:
    Total removal:              93.81  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.02  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       0.23            341          1000       
   Water     0.851           4.32e+003    1000       
   Soil      41.3            8.64e+003    1000       
   Sediment  57.6            3.89e+004    0          
     Persistence Time: 1.08e+004 hr

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