1,2-Dibromofluoroethane C2H3Br2F structure – Flashcards

Flashcard maker : Pat Coker

Molecular Formula C2H3Br2F
Average mass 205.852 Da
Density 2.2±0.1 g/cm3
Boiling Point 120.6±8.0 °C at 760 mmHg
Flash Point 26.8±18.4 °C
Molar Refractivity 26.9±0.3 cm3
Polarizability 10.7±0.5 10-24cm3
Surface Tension 32.0±3.0 dyne/cm
Molar Volume 93.7±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Experimental Physico-chemical Properties
    • Experimental Boiling Point:

      122.5 °C / 761 mmHg (122.4561 °C / 760 mmHg)
      SynQuest 7170, 1100-B-09
    • Experimental Flash Point:

    • Experimental Gravity:

      19.5 g/mL SynQuest 1100-B-09
      2.2571 g/mL SynQuest 1100-B-09
    • Experimental Refraction Index:

      1.5012 SynQuest 7170, 1100-B-09

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

Density: 2.2±0.1 g/cm3
Boiling Point: 120.6±8.0 °C at 760 mmHg
Vapour Pressure: 18.1±0.2 mmHg at 25°C
Enthalpy of Vaporization: 34.4±3.0 kJ/mol
Flash Point: 26.8±18.4 °C
Index of Refraction: 1.486
Molar Refractivity: 26.9±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 1.99
ACD/LogD (pH 5.5): 2.20
ACD/BCF (pH 5.5): 27.53
ACD/KOC (pH 5.5): 373.43
ACD/LogD (pH 7.4): 2.20
ACD/BCF (pH 7.4): 27.53
ACD/KOC (pH 7.4): 373.43
Polar Surface Area: 0 Å2
Polarizability: 10.7±0.5 10-24cm3
Surface Tension: 32.0±3.0 dyne/cm
Molar Volume: 93.7±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) = 1.88

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 119.38 (Adapted Stein & Brown method)
 Melting Pt (deg C): -49.81 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 19.3 (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 1017
 log Kow used: 1.88 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 1590.7 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 2.58E-003 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 5.140E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 1.88 (KowWin est)
 Log Kaw used: -0.977 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 2.857
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.5572
 Biowin2 (Non-Linear Model) : 0.0002
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.8022 (weeks )
 Biowin4 (Primary Survey Model) : 3.6215 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.3093
 Biowin6 (MITI Non-Linear Model): 0.0003
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 1.4144
 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): 2.41E+003 Pa (18.1 mm Hg)
 Log Koa (Koawin est ): 2.857
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.24E-009 
 Octanol/air (Koa) model: 1.77E-010 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 4.49E-008 
 Mackay model : 9.94E-008 
 Octanol/air (Koa) model: 1.41E-008 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 0.0758 E-12 cm3/molecule-sec
 Half-Life = 141.123 Days (12-hr day; 1.5E6 OH/cm3)
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 7.22E-008 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 67.7
 Log Koc: 1.831 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
 Total Kb for pH > 8 at 25 deg C : 7.879E+002 L/mol-sec
 Kb Half-Life at pH 8: 14.662 minutes
 Kb Half-Life at pH 7: 2.444 hours 

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
 Log BCF from regression-based method = 0.746 (BCF = 5.571)
 log Kow used: 1.88 (estimated)

 Volatilization from Water:
 Henry LC: 0.00258 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 1.79 hours
 Half-Life from Model Lake : 139.8 hours (5.826 days)

 Removal In Wastewater Treatment:
 Total removal: 51.55 percent
 Total biodegradation: 0.06 percent
 Total sludge adsorption: 1.23 percent
 Total to Air: 50.27 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 44.2 3.39e+003 1000 
 Water 38.2 360 1000 
 Soil 17.5 720 1000 
 Sediment 0.12 3.24e+003 0 
 Persistence Time: 173 hr




 

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