ChemSpider 2D Image | s-Indacene | C12H8

s-Indacene

  • Molecular FormulaC12H8
  • Average mass152.192 Da
  • Monoisotopic mass152.062607 Da
  • ChemSpider ID4574199

More details:






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

267-21-0 [RN]
s-Indacene [ACD/Index Name] [ACD/IUPAC Name]
s-Indazen

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

CHEBI:33057 [DBID]
  • Miscellaneous
    • Chemical Class:

      An indacene that consists of a benzene ring having two fused cyclopentane rings in a rectilinear arrangement. ChEBI CHEBI:33057

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

Density: 1.2±0.1 g/cm3
Boiling Point: 525.3±17.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.7 mmHg at 25°C
Enthalpy of Vaporization: 76.9±0.8 kJ/mol
Flash Point: 214.4±15.8 °C
Index of Refraction: 1.697
Molar Refractivity: 50.0±0.4 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 2.55
ACD/LogD (pH 5.5): 2.97
ACD/BCF (pH 5.5): 105.96
ACD/KOC (pH 5.5): 979.95
ACD/LogD (pH 7.4): 2.97
ACD/BCF (pH 7.4): 105.96
ACD/KOC (pH 7.4): 979.95
Polar Surface Area: 0 Å2
Polarizability: 19.8±0.5 10-24cm3
Surface Tension: 43.2±5.0 dyne/cm
Molar Volume: 129.9±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) =  3.46

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  244.85  (Adapted Stein & Brown method)
    Melting Pt (deg C):  31.44  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.0486  (Modified Grain method)
    Subcooled liquid VP: 0.0555 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):  23.73
       log Kow used: 3.46 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  11.387 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.12E-002  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.101E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.46  (KowWin est)
  Log Kaw used:  0.106  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  3.354
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6751
   Biowin2 (Non-Linear Model)     :   0.7000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8628  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6282  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3151
   Biowin6 (MITI Non-Linear Model):   0.1664
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1744
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   1.0117
     BioHC Half-Life (days)     :  10.2732

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  7.4 Pa (0.0555 mm Hg)
  Log Koa (Koawin est  ): 3.354
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.05E-007 
       Octanol/air (Koa) model:  5.55E-010 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.46E-005 
       Mackay model           :  3.24E-005 
       Octanol/air (Koa) model:  4.44E-008 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 296.0426 E-12 cm3/molecule-sec
      Half-Life =     0.036 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    26.014 Min
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.970000 E-17 cm3/molecule-sec
      Half-Life =     0.582 Days (at 7E11 mol/cm3)
      Half-Life =     13.961 Hrs
   Fraction sorbed to airborne particulates (phi): 2.35E-005 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  4462
      Log Koc:  3.650 

 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 = 1.967 (BCF = 92.71)
       log Kow used: 3.46 (estimated)

 Volatilization from Water:
    Henry LC:  0.0312 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.282  hours
    Half-Life from Model Lake :      117.4  hours   (4.893 days)

 Removal In Wastewater Treatment:
    Total removal:              92.74  percent
    Total biodegradation:        0.05  percent
    Total sludge adsorption:     6.81  percent
    Total to Air:               85.88  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.695           0.816        1000       
   Water     48.5            360          1000       
   Soil      48.8            720          1000       
   Sediment  1.98            3.24e+003    0          
     Persistence Time: 127 hr




                    

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