Methylglutaric acid C6H10O4 structure – Flashcards

Flashcard maker : Rosa Sloan

C6H10O4 structure
Molecular Formula C6H10O4
Average mass 146.141 Da
Density 1.2±0.1 g/cm3
Boiling Point 332.7±0.0 °C at 760 mmHg
Flash Point 148.8±16.3 °C
Molar Refractivity 32.9±0.3 cm3
Polarizability 13.1±0.5 10-24cm3
Surface Tension 50.1±3.0 dyne/cm
Molar Volume 117.2±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      77 °C TCI M1300
      74-78 °C Alfa Aesar
      74-77 °C Merck Millipore 3957, 841328
      76 °C Jean-Claude Bradley Open Melting Point Dataset 2923
      74-78 °C Alfa Aesar A11823
    • Experimental Boiling Point:

      214-215 deg C / 22 mm (372.7321-374.0286 °C / 760 mmHg)
      Alfa Aesar
      214-215 °C / 22 mm (372.7321-374.0286 °C / 760 mmHg)
      Alfa Aesar A11823
  • Predicted Physico-chemical Properties
    • Predicted Melting Point:

      77 °C TCI
      77 °C TCI M1300
  • Miscellaneous
    • Safety:

      26-37 Alfa Aesar A11823
      36/37/38 Alfa Aesar A11823
      H315-H319-H335 Alfa Aesar A11823
      P261-P280-P305+P351+P338-P304+P340-P405-P501a Alfa Aesar A11823
      TBC SynQuest 2121-1-40
      Warning Alfa Aesar A11823
      WARNING: Irritates lungs, eyes, skin Alfa Aesar A11823
  • Gas Chromatography
    • Retention Index (Kovats):

      1266 (estimated with error: 51) NIST Spectra mainlib_242292, replib_251962

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

Density: 1.2±0.1 g/cm3
Boiling Point: 332.7±0.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.5 mmHg at 25°C
Enthalpy of Vaporization: 63.3±6.0 kJ/mol
Flash Point: 148.8±16.3 °C
Index of Refraction: 1.474
Molar Refractivity: 32.9±0.3 cm3
#H bond acceptors: 4
#H bond donors: 2
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 0
ACD/LogP: -0.69
ACD/LogD (pH 5.5): -1.64
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -4.59
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 75 Å2
Polarizability: 13.1±0.5 10-24cm3
Surface Tension: 50.1±3.0 dyne/cm
Molar Volume: 117.2±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) = 0.15

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 301.67 (Adapted Stein & Brown method)
 Melting Pt (deg C): 94.47 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.00038 (Modified Grain method)
 Subcooled liquid VP: 0.00179 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): 1.445e+005
 log Kow used: 0.15 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 70866 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 : 9.53E-012 atm-m3/mole
 Group Method: 1.25E-012 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 5.057E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 0.15 (KowWin est)
 Log Kaw used: -9.409 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 9.559
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.8234
 Biowin2 (Non-Linear Model) : 0.9020
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 3.6054 (days-weeks )
 Biowin4 (Primary Survey Model) : 4.4080 (hours-days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.6883
 Biowin6 (MITI Non-Linear Model): 0.7949
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 1.0162
 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): 0.239 Pa (0.00179 mm Hg)
 Log Koa (Koawin est ): 9.559
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.26E-005 
 Octanol/air (Koa) model: 0.000889 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 0.000454 
 Mackay model : 0.001 
 Octanol/air (Koa) model: 0.0664 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 5.2716 E-12 cm3/molecule-sec
 Half-Life = 2.029 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 24.348 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 0.000729 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 19.25
 Log Koc: 1.285 

 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: 0.15 (estimated)

 Volatilization from Water:
 Henry LC: 1.25E-012 atm-m3/mole (estimated by Group SAR Method)
 Half-Life from Model River: 5.662E+008 hours (2.359E+007 days)
 Half-Life from Model Lake : 6.177E+009 hours (2.574E+008 days)

 Removal In Wastewater Treatment:
 Total removal: 1.85 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 1.76 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 4.38e-005 48.7 1000 
 Water 33.9 208 1000 
 Soil 66.1 416 1000 
 Sediment 0.0594 1.87e+003 0 
 Persistence Time: 389 hr




 

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