2-Bromo-2-ethylbutanoic acid C6H11BrO2 structure – Flashcards

Flashcard maker : Patrick Marsh

C6H11BrO2 structure
Molecular Formula C6H11BrO2
Average mass 195.054 Da
Density 1.4±0.1 g/cm3
Boiling Point 240.5±13.0 °C at 760 mmHg
Flash Point 99.3±19.8 °C
Molar Refractivity 39.1±0.3 cm3
Polarizability 15.5±0.5 10-24cm3
Surface Tension 39.7±3.0 dyne/cm
Molar Volume 135.4±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      -76 °C Biosynth J-650352
    • Experimental Boiling Point:

      120 ° / 75 mm (206.1097 °C / 760 mmHg)
      Matrix Scientific
      120 °C / 75 mm (206.1097 °C / 760 mmHg)
      Matrix Scientific 007517
      163 °C Biosynth J-650352
    • Experimental Gravity:

      42.2 g/mL Biosynth J-650352
  • Miscellaneous
    • Safety:

      IRRITANT Matrix Scientific 007517

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

Density: 1.4±0.1 g/cm3
Boiling Point: 240.5±13.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.0 mmHg at 25°C
Enthalpy of Vaporization: 52.6±6.0 kJ/mol
Flash Point: 99.3±19.8 °C
Index of Refraction: 1.489
Molar Refractivity: 39.1±0.3 cm3
#H bond acceptors: 2
#H bond donors: 1
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 2.27
ACD/LogD (pH 5.5): -0.67
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -1.81
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 37 Å2
Polarizability: 15.5±0.5 10-24cm3
Surface Tension: 39.7±3.0 dyne/cm
Molar Volume: 135.4±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) = 2.28

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 249.34 (Adapted Stein & Brown method)
 Melting Pt (deg C): 56.97 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.0139 (Modified Grain method)
 Subcooled liquid VP: 0.0275 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): 1291
 log Kow used: 2.28 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 7201.1 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 1.96E-007 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 2.763E-006 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 2.28 (KowWin est)
 Log Kaw used: -5.096 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 7.376
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.4973
 Biowin2 (Non-Linear Model) : 0.0050
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.9496 (weeks )
 Biowin4 (Primary Survey Model) : 3.8338 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.5770
 Biowin6 (MITI Non-Linear Model): 0.2262
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.9405
 Ready Biodegradability Prediction: YES

Hydrocarbon Biodegradation (BioHCwin v1.01):
 Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
 Vapor pressure (liquid/subcooled): 3.67 Pa (0.0275 mm Hg)
 Log Koa (Koawin est ): 7.376
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 8.18E-007 
 Octanol/air (Koa) model: 5.83E-006 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 2.96E-005 
 Mackay model : 6.55E-005 
 Octanol/air (Koa) model: 0.000467 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 2.7226 E-12 cm3/molecule-sec
 Half-Life = 3.929 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 47.144 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 4.75E-005 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 10.8
 Log Koc: 1.034 

 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 = 0.500 (BCF = 3.162)
 log Kow used: 2.28 (estimated)

 Volatilization from Water:
 Henry LC: 1.96E-007 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 4173 hours (173.9 days)
 Half-Life from Model Lake : 4.565E+004 hours (1902 days)

 Removal In Wastewater Treatment:
 Total removal: 2.61 percent
 Total biodegradation: 0.10 percent
 Total sludge adsorption: 2.50 percent
 Total to Air: 0.01 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 1.91 94.3 1000 
 Water 23.9 360 1000 
 Soil 74.1 720 1000 
 Sediment 0.119 3.24e+003 0 
 Persistence Time: 574 hr




 

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