ChemSpider 2D Image | Tetraethylgermane | C8H20Ge


  • Molecular FormulaC8H20Ge
  • Average mass188.884 Da
  • Monoisotopic mass190.077682 Da
  • ChemSpider ID11211

More details:

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

209-905-7 [EINECS]
4-04-00-04284 [Beilstein]
Germane, tetraethyl- [ACD/Index Name]
Germanium, tetraethyl-
Tetraethyl germane
Tetraethylgerman [German] [ACD/IUPAC Name]
Tetraethylgermane [ACD/IUPAC Name]
Tétraéthylgermane [French] [ACD/IUPAC Name]

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

BRN 3660242 [DBID]
NSC 65800 [DBID]
NSC65800 [DBID]

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

Boiling Point: 164.9±23.0 °C at 760 mmHg
Vapour Pressure: 2.5±0.3 mmHg at 25°C
Enthalpy of Vaporization: 38.5±3.0 kJ/mol
Flash Point: 44.2±16.7 °C
Index of Refraction:
Molar Refractivity:
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 1
ACD/LogP: 5.44
ACD/LogD (pH 5.5): 4.63
ACD/BCF (pH 5.5): 1928.61
ACD/KOC (pH 5.5): 7819.42
ACD/LogD (pH 7.4): 4.63
ACD/BCF (pH 7.4): 1928.61
ACD/KOC (pH 7.4): 7819.42
Polar Surface Area: 0 Å2
Surface Tension:
Molar Volume:

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™

 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  5.27

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  196.39  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -12.48  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.614  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1.565
       log Kow used: 5.27 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  123.65 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   Incomplete
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  9.749E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Can Not Estimate (can not calculate HenryLC)

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6576
   Biowin2 (Non-Linear Model)     :   0.5810
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7818  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5753  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3496
   Biowin6 (MITI Non-Linear Model):   0.2440
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6218
 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):  75.1 Pa (0.563 mm Hg)
  Log Koa (): not available
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4E-008 
       Octanol/air (Koa) model:  not available
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.44E-006 
       Mackay model           :  3.2E-006 
       Octanol/air (Koa) model:  not available

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  38.0291 E-12 cm3/molecule-sec
      Half-Life =     0.281 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.375 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 2.32E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  757.6
      Log Koc:  2.879 

 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 = 3.360 (BCF = 2290)
       log Kow used: 5.27 (estimated)

 Volatilization from Water:
    Henry LC:  0.0975 atm-m3/mole  (calculated from VP/WS)
    Half-Life from Model River:      1.411  hours
    Half-Life from Model Lake :      130.6  hours   (5.443 days)

 Removal In Wastewater Treatment (recommended maximum 95%):
    Total removal:              98.22  percent
    Total biodegradation:        0.22  percent
    Total sludge adsorption:    56.34  percent
    Total to Air:               41.66  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       1               6.75         1000       
   Water     12.7            360          1000       
   Soil      60.6            720          1000       
   Sediment  25.6            3.24e+003    0          
     Persistence Time: 466 hr


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