ChemSpider 2D Image | S-(2-Carboxy-2-hydroxyethyl)homocysteine | C7H13NO5S

S-(2-Carboxy-2-hydroxyethyl)homocysteine

  • Molecular FormulaC7H13NO5S
  • Average mass223.247 Da
  • Monoisotopic mass223.051437 Da
  • ChemSpider ID19987273

More details:






Validated by Experts, Validated by Users, Non-Validated, Removed by Users

Homocysteine, S-(2-carboxy-2-hydroxyethyl)- [ACD/Index Name]
S-(2-Carboxy-2-hydroxyethyl)homocystein [German] [ACD/IUPAC Name]
S-(2-Carboxy-2-hydroxyethyl)homocysteine [ACD/IUPAC Name]
S-(2-Carboxy-2-hydroxyéthyl)homocystéine [French] [ACD/IUPAC Name]
26097-37-0 [RN]
S-(2-hydroxy-2-carboxyethyl)homocysteine

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 1.5±0.1 g/cm3
Boiling Point: 532.5±50.0 °C at 760 mmHg
Vapour Pressure: 0.0±3.2 mmHg at 25°C
Enthalpy of Vaporization: 93.0±6.0 kJ/mol
Flash Point: 275.8±30.1 °C
Index of Refraction: 1.593
Molar Refractivity: 50.6±0.3 cm3
#H bond acceptors: 6
#H bond donors: 5
#Freely Rotating Bonds: 7
#Rule of 5 Violations: 1
ACD/LogP: -0.21
ACD/LogD (pH 5.5): -4.00
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -4.02
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 146 Å2
Polarizability: 20.1±0.5 10-24cm3
Surface Tension: 79.4±3.0 dyne/cm
Molar Volume: 149.2±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) =  -3.48

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  448.52  (Adapted Stein & Brown method)
    Melting Pt (deg C):  299.44  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  5.84E-012  (Modified Grain method)
    Subcooled liquid VP: 6.74E-009 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):  2.649e+005
       log Kow used: -3.48 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  39045 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.26E-017  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  6.476E-018 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -3.48  (KowWin est)
  Log Kaw used:  -14.875  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.395
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0992
   Biowin2 (Non-Linear Model)     :   0.9662
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.6194  (days-weeks  )
   Biowin4 (Primary Survey Model) :   4.4695  (hours-days  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6516
   Biowin6 (MITI Non-Linear Model):   0.5396
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  1.2660
 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):  8.99E-007 Pa (6.74E-009 mm Hg)
  Log Koa (Koawin est  ): 11.395
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.34 
       Octanol/air (Koa) model:  0.061 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.992 
       Mackay model           :  0.996 
       Octanol/air (Koa) model:  0.83 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  66.1222 E-12 cm3/molecule-sec
      Half-Life =     0.162 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.941 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.994 (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]:
    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: -3.48 (estimated)

 Volatilization from Water:
    Henry LC:  3.26E-017 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.683E+013  hours   (1.118E+012 days)
    Half-Life from Model Lake : 2.927E+014  hours   (1.22E+013 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       3.43e-007       3.88         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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