ChemSpider 2D Image | 1,4-Dibromoheptane | C7H14Br2

1,4-Dibromoheptane

  • Molecular FormulaC7H14Br2
  • Average mass257.994 Da
  • Monoisotopic mass255.946213 Da
  • ChemSpider ID473677

More details:

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

1,4-Dibromheptan [German] [ACD/IUPAC Name]
1,4-Dibromoheptane [ACD/IUPAC Name]
1,4-Dibromoheptane [French] [ACD/IUPAC Name]
Heptane, 1,4-dibromo- [ACD/Index Name]

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

Density: 1.5±0.1 g/cm3
Boiling Point: 240.9±8.0 °C at 760 mmHg
Vapour Pressure: 0.1±0.5 mmHg at 25°C
Enthalpy of Vaporization: 45.8±3.0 kJ/mol
Flash Point: 108.2±17.7 °C
Index of Refraction: 1.496
Molar Refractivity: 49.9±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 0
ACD/LogP: 4.16
ACD/LogD (pH 5.5): 4.11
ACD/BCF (pH 5.5): 789.34
ACD/KOC (pH 5.5): 4125.37
ACD/LogD (pH 7.4): 4.11
ACD/BCF (pH 7.4): 789.34
ACD/KOC (pH 7.4): 4125.37
Polar Surface Area: 0 Å2
Polarizability: 19.8±0.5 10-24cm3
Surface Tension: 33.9±3.0 dyne/cm
Molar Volume: 170.8±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) =  4.39

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  222.67  (Adapted Stein & Brown method)
    Melting Pt (deg C):  8.22  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.173  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  3.785
       log Kow used: 4.39 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  9.734 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.35E-003  atm-m3/mole
   Group Method:   8.48E-004  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.552E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.39  (KowWin est)
  Log Kaw used:  -0.660  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.050
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.5324
   Biowin2 (Non-Linear Model)     :   0.0001
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6869  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5463  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3349
   Biowin6 (MITI Non-Linear Model):   0.0186
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  1.4388
 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):  21.6 Pa (0.162 mm Hg)
  Log Koa (Koawin est  ): 5.050
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.39E-007 
       Octanol/air (Koa) model:  2.75E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  5.02E-006 
       Mackay model           :  1.11E-005 
       Octanol/air (Koa) model:  2.2E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   4.0449 E-12 cm3/molecule-sec
      Half-Life =     2.644 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    31.731 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 8.06E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  820.7
      Log Koc:  2.914 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  1.290E-008  L/mol-sec
  Kb Half-Life at pH 8: 1.702E+006  years  
  Kb Half-Life at pH 7: 1.702E+007  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 2.682 (BCF = 481.2)
       log Kow used: 4.39 (estimated)

 Volatilization from Water:
    Henry LC:  0.000848 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      2.748  hours
    Half-Life from Model Lake :      164.7  hours   (6.861 days)

 Removal In Wastewater Treatment:
    Total removal:              59.64  percent
    Total biodegradation:        0.40  percent
    Total sludge adsorption:    45.73  percent
    Total to Air:               13.50  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       2.46            63.5         1000       
   Water     9               900          1000       
   Soil      83.3            1.8e+003     1000       
   Sediment  5.25            8.1e+003     0          
     Persistence Time: 1e+003 hr

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