6-Methoxy-6-oxohexanoic acid C7H12O4 structure – Flashcards

Flashcard maker : Alexander Barker

C7H12O4 structure
Molecular Formula C7H12O4
Average mass 160.168 Da
Density 1.1±0.1 g/cm3
Boiling Point 291.6±0.0 °C at 760 mmHg
Flash Point 107.9±13.3 °C
Molar Refractivity 37.8±0.3 cm3
Polarizability 15.0±0.5 10-24cm3
Surface Tension 39.8±3.0 dyne/cm
Molar Volume 142.2±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Predicted – Mcule
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      7-9 °C Alfa Aesar
      9 °C Jean-Claude Bradley Open Melting Point Dataset 19075
      7-9 °C Alfa Aesar L09061
      7-9 °C LabNetwork LN00010720
      7-9 °C Indofine
      [CS-715]
    • Experimental Boiling Point:

      134-135 deg C / 2 mm (356.9771-358.4759 °C / 760 mmHg)
      Alfa Aesar
      134-135 °C / 2 mm (356.9771-358.4759 °C / 760 mmHg)
      Alfa Aesar L09061
    • Experimental Flash Point:

      110 °C Alfa Aesar
      110 °C Alfa Aesar
      110 °F (43.3333 °C)
      Alfa Aesar L09061
      230 °C LabNetwork LN00010720
    • Experimental Gravity:

      20 g/mL Merck Millipore 3246
      20 g/l Merck Millipore 3246, 820014
      1.122 g/mL Alfa Aesar L09061
      1.12 g/l Fluorochem 078720
    • Experimental Refraction Index:

      1.44 Alfa Aesar L09061
  • Miscellaneous
    • Safety:

      CAUTION: May irritate eyes, skin, and respiratory tract Alfa Aesar L09061
      GHS07 Biosynth W-104959, W-104960
      H315; H319; H335 Biosynth W-104959, W-104960
      IRRITANT Matrix Scientific 075245
      P261; P305+P351+P338 Biosynth W-104959, W-104960
      Warning Biosynth W-104959, W-104960
  • Gas Chromatography
    • Retention Index (Kovats):

      1241 (estimated with error: 89) NIST Spectra mainlib_235706, replib_71147

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

Density: 1.1±0.1 g/cm3
Boiling Point: 291.6±0.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.3 mmHg at 25°C
Enthalpy of Vaporization: 58.4±6.0 kJ/mol
Flash Point: 107.9±13.3 °C
Index of Refraction: 1.445
Molar Refractivity: 37.8±0.3 cm3
#H bond acceptors: 4
#H bond donors: 1
#Freely Rotating Bonds: 6
#Rule of 5 Violations: 0
ACD/LogP: 0.50
ACD/LogD (pH 5.5): -0.03
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 9.18
ACD/LogD (pH 7.4): -1.83
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 64 Å2
Polarizability: 15.0±0.5 10-24cm3
Surface Tension: 39.8±3.0 dyne/cm
Molar Volume: 142.2±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) = 1.10

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 266.63 (Adapted Stein & Brown method)
 Melting Pt (deg C): 60.82 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.0111 (Mean VP of Antoine & Grain methods)
 MP (exp database): 9 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 1.948e+004
 log Kow used: 1.10 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 55079 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 3.05E-009 atm-m3/mole
 Group Method: 3.22E-010 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 1.201E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 1.10 (KowWin est)
 Log Kaw used: -6.904 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 8.004
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.9182
 Biowin2 (Non-Linear Model) : 0.9958
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 3.3500 (days-weeks )
 Biowin4 (Primary Survey Model) : 4.2312 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.9586
 Biowin6 (MITI Non-Linear Model): 0.9616
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 1.2191
 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): 1.51 Pa (0.0113 mm Hg)
 Log Koa (Koawin est ): 8.004
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.99E-006 
 Octanol/air (Koa) model: 2.48E-005 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 7.19E-005 
 Mackay model : 0.000159 
 Octanol/air (Koa) model: 0.00198 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 4.7814 E-12 cm3/molecule-sec
 Half-Life = 2.237 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 26.844 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 0.000116 (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 : 6.634E-002 L/mol-sec
 Kb Half-Life at pH 8: 120.916 days 
 Kb Half-Life at pH 7: 3.310 years 

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
 Log BCF from regression-based method = 0.500 (BCF = 3.162)
 log Kow used: 1.10 (estimated)

 Volatilization from Water:
 Henry LC: 3.22E-010 atm-m3/mole (estimated by Group SAR Method)
 Half-Life from Model River: 2.301E+006 hours (9.588E+004 days)
 Half-Life from Model Lake : 2.51E+007 hours (1.046E+006 days)

 Removal In Wastewater Treatment:
 Total removal: 1.90 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 1.80 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 0.0109 53.7 1000 
 Water 30.4 208 1000 
 Soil 69.5 416 1000 
 Sediment 0.0586 1.87e+003 0 
 Persistence Time: 404 hr




 

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