ethyl bromomalonate C7H11BrO4 structure – Flashcards

Flashcard maker : Patricia Smith

Molecular Formula C7H11BrO4
Average mass 239.064 Da
Density 1.5±0.1 g/cm3
Boiling Point 234.0±0.0 °C at 760 mmHg
Flash Point 89.6±21.8 °C
Molar Refractivity 45.7±0.3 cm3
Polarizability 18.1±0.5 10-24cm3
Surface Tension 38.4±3.0 dyne/cm
Molar Volume 164.6±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Predicted – Mcule
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      -54 °C Jean-Claude Bradley Open Melting Point Dataset 23495
    • Experimental Boiling Point:

      233-235 °C Alfa Aesar
      233-235 °C Alfa Aesar A10965
      140-141 °C / 30 mmHg (264.9292-266.2039 °C / 760 mmHg)
      SynQuest 65321, 2123-9-X7
      233-235 °C Oakwood
      [BR1275]
      233-235 °C LabNetwork LN00009686
    • Experimental Flash Point:

      111 °C Alfa Aesar
      111 °C Alfa Aesar
      111 °F (43.8889 °C)
      Alfa Aesar A10965
      111 °C SynQuest 65321, 2123-9-X7
      111 °C Oakwood
      [BR1275]
      111 °C LabNetwork LN00009686
    • Experimental Gravity:

      1.402 g/mL Alfa Aesar A10965
      1.402 g/mL SynQuest 2123-9-X7
      1.402 g/mL Oakwood
      [BR1275]
      1.402 g/mL Fluorochem
      1.402 g/l Fluorochem BR1275
    • Experimental Refraction Index:

      1.455 Alfa Aesar A10965
  • Miscellaneous
    • Safety:

      26-36/37/39-45 Alfa Aesar A10965
      34 Alfa Aesar A10965
      8 Alfa Aesar A10965
      Corrosive/Harmful/Lachrymatory/Light Sensitive SynQuest 2123-9-X7, 65321
      Danger Alfa Aesar A10965
      DANGER: CORROSIVE, burns skin and eyes Alfa Aesar A10965
      H314 Alfa Aesar A10965
      IRRITANT Matrix Scientific 097753
      P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a Alfa Aesar A10965
      WARNING: Irritates lungs, eyes, skin Alfa Aesar A10965
  • Gas Chromatography
    • Retention Index (Kovats):

      1284 (estimated with error: 89) NIST Spectra mainlib_238826, replib_71175

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

Density: 1.5±0.1 g/cm3
Boiling Point: 234.0±0.0 °C at 760 mmHg
Vapour Pressure: 0.1±0.4 mmHg at 25°C
Enthalpy of Vaporization: 47.1±3.0 kJ/mol
Flash Point: 89.6±21.8 °C
Index of Refraction: 1.468
Molar Refractivity: 45.7±0.3 cm3
#H bond acceptors: 4
#H bond donors: 0
#Freely Rotating Bonds: 6
#Rule of 5 Violations: 0
ACD/LogP: 1.98
ACD/LogD (pH 5.5): 1.44
ACD/BCF (pH 5.5): 7.31
ACD/KOC (pH 5.5): 144.54
ACD/LogD (pH 7.4): 1.43
ACD/BCF (pH 7.4): 7.22
ACD/KOC (pH 7.4): 142.73
Polar Surface Area: 53 Å2
Polarizability: 18.1±0.5 10-24cm3
Surface Tension: 38.4±3.0 dyne/cm
Molar Volume: 164.6±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) = 1.17

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 219.34 (Adapted Stein & Brown method)
 Melting Pt (deg C): -45.32 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.136 (Mean VP of Antoine & Grain methods)
 MP (exp database): -54 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 2744
 log Kow used: 1.17 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 9232.2 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 8.48E-008 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 1.559E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 1.17 (KowWin est)
 Log Kaw used: -5.460 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 6.630
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.9359
 Biowin2 (Non-Linear Model) : 0.9654
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.9802 (weeks )
 Biowin4 (Primary Survey Model) : 3.9961 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.8341
 Biowin6 (MITI Non-Linear Model): 0.6810
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 1.2659
 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): 16.8 Pa (0.126 mm Hg)
 Log Koa (Koawin est ): 6.630
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.79E-007 
 Octanol/air (Koa) model: 1.05E-006 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 6.45E-006 
 Mackay model : 1.43E-005 
 Octanol/air (Koa) model: 8.38E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 2.2548 E-12 cm3/molecule-sec
 Half-Life = 4.744 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 56.925 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 1.04E-005 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 10
 Log Koc: 1.000 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
 Total Kb for pH > 8 at 25 deg C : 5.496E+000 L/mol-sec
 Kb Half-Life at pH 8: 1.460 days 
 Kb Half-Life at pH 7: 14.597 days 

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
 Log BCF from regression-based method = 0.198 (BCF = 1.577)
 log Kow used: 1.17 (estimated)

 Volatilization from Water:
 Henry LC: 8.48E-008 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 1.068E+004 hours (444.9 days)
 Half-Life from Model Lake : 1.166E+005 hours (4859 days)

 Removal In Wastewater Treatment:
 Total removal: 1.91 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 1.81 percent
 Total to Air: 0.00 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 1.42 114 1000 
 Water 35 360 1000 
 Soil 63.5 720 1000 
 Sediment 0.0731 3.24e+003 0 
 Persistence Time: 536 hr




 

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