DL-Aspartic acid C4H7NO4 structure – Flashcards

Flashcard maker : Blake Terry

Molecular Formula C4H7NO4
Average mass 133.103 Da
Density 1.5±0.1 g/cm3
Boiling Point 264.1±30.0 °C at 760 mmHg
Flash Point 113.5±24.6 °C
Molar Refractivity 27.2±0.3 cm3
Polarizability 10.8±0.5 10-24cm3
Surface Tension 78.2±3.0 dyne/cm
Molar Volume 87.9±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Predicted – Mcule
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      300 °C Indofine
      [025511]
      300 °C (Decomposes) Alfa Aesar
      270 °C Jean-Claude Bradley Open Melting Point Dataset 22447, 22448
      275 °C Jean-Claude Bradley Open Melting Point Dataset 22447, 22448, 27802
      300 °C (Decomposes) Alfa Aesar A13646
      300 °C J&K Scientific 272156
      300 °C Biosynth A-9200
      300 °C LabNetwork LN00194764
      300 °C Indofine
      [025511]
      ,
      [025511]
    • Experimental LogP:

      -0.669 Vitas-M STK387107
    • Experimental Solubility:

      SOLUBLE Indofine
      [025511]
  • Predicted Physico-chemical Properties
    • Predicted Melting Point:

      300 °C J&K Scientific 272156
  • Miscellaneous
    • Safety:

      WARNING: Not for human consumption, may irriate skin & eyes. Alfa Aesar A13646
      WARNING: Not sold for human treatment, trials or use Alfa Aesar A13646
  • Gas Chromatography
    • Retention Index (Kovats):

      1311 (estimated with error: 89) NIST Spectra mainlib_230141, mainlib_154817, mainlib_230066, replib_132518, replib_151018, replib_76392

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

Density: 1.5±0.1 g/cm3
Boiling Point: 264.1±30.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.1 mmHg at 25°C
Enthalpy of Vaporization: 55.3±6.0 kJ/mol
Flash Point: 113.5±24.6 °C
Index of Refraction: 1.531
Molar Refractivity: 27.2±0.3 cm3
#H bond acceptors: 5
#H bond donors: 4
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: -0.67
ACD/LogD (pH 5.5): -4.30
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -4.37
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 101 Å2
Polarizability: 10.8±0.5 10-24cm3
Surface Tension: 78.2±3.0 dyne/cm
Molar Volume: 87.9±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) = -4.32
 Log Kow (Exper. database match) = -3.89
 Exper. Ref: Chmelik,J et al. (1991)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 347.74 (Adapted Stein & Brown method)
 Melting Pt (deg C): 218.20 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 2.62E-007 (Modified Grain method)
 MP (exp database): 275 deg C
 Subcooled liquid VP: 0.000149 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): 1e+006
 log Kow used: -3.89 (expkow database)
 no-melting pt equation used
 Water Sol (Exper. database match) = 5390 mg/L (25 deg C)
 Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)
 Water Sol (Exper. database match) = 8160 mg/L (25 deg C)
 Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 6.1087e+005 mg/L
 Wat Sol (Exper. database match) = 5390.00
 Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)
 Wat Sol (Exper. database match) = 8160.00
 Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 1.11E-014 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 4.588E-014 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: -3.89 (exp database)
 Log Kaw used: -12.343 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 8.453
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.9834
 Biowin2 (Non-Linear Model) : 0.9711
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 3.6587 (days-weeks )
 Biowin4 (Primary Survey Model) : 4.4701 (hours-days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.7105
 Biowin6 (MITI Non-Linear Model): 0.7306
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 1.2471
 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): 0.0199 Pa (0.000149 mm Hg)
 Log Koa (Koawin est ): 8.453
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 0.000151 
 Octanol/air (Koa) model: 6.97E-005 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 0.00542 
 Mackay model : 0.0119 
 Octanol/air (Koa) model: 0.00554 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 39.5454 E-12 cm3/molecule-sec
 Half-Life = 0.270 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 3.246 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 0.00868 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 7.842
 Log Koc: 0.894 

 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: -3.89 (expkow database)

 Volatilization from Water:
 Henry LC: 1.11E-014 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 6.085E+010 hours (2.536E+009 days)
 Half-Life from Model Lake : 6.638E+011 hours (2.766E+010 days)

 Removal In Wastewater Treatment:
 Total removal: 1.85 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 1.75 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 4.08e-007 6.49 1000 
 Water 34.5 208 1000 
 Soil 65.5 416 1000 
 Sediment 0.0596 1.87e+003 0 
 Persistence Time: 387 hr




 

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