ChemSpider 2D Image | D-Selenocystine | C6H12N2O4Se2

D-Selenocystine

  • Molecular FormulaC6H12N2O4Se2
  • Average mass334.091 Da
  • Monoisotopic mass335.912750 Da
  • ChemSpider ID31033
  • defined stereocentres - 2 of 2 defined stereocentres


More details:






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

(2S,2'S)-3,3'-(1,2-Diselandiyl)bis(2-aminopropansäure) [German] [ACD/IUPAC Name]
(2S,2'S)-3,3'-(1,2-Diselanediyl)bis(2-aminopropanoic acid) [ACD/IUPAC Name]
(2S,2'S)-3,3'-diselane-1,2-diylbis(2-aminopropanoic acid) (non-preferred name)
26932-45-6 [RN]
Acide (2S,2'S)-3,3'-(1,2-disélanediyl)bis(2-aminopropanoïque) [French] [ACD/IUPAC Name]
D-Selenocystine
(2S)-2-AMINO-3-{[(2S)-2-AMINO-2-CARBOXYETHYL]DISELANYL}PROPANOIC ACID
(2S,2'S)-3,3'-diselanediylbis(2-aminopropanoic acid)
2897-21-4 [RN]
Alanine, 3,3'-diselenodi-, D-
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

36B4M60N9C [DBID]
UNII:36B4M60N9C [DBID]

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

    Density:
    Boiling Point: 538.3±60.0 °C at 760 mmHg
    Vapour Pressure: 0.0±3.1 mmHg at 25°C
    Enthalpy of Vaporization: 89.2±6.0 kJ/mol
    Flash Point: 279.3±32.9 °C
    Index of Refraction:
    Molar Refractivity:
    #H bond acceptors: 6
    #H bond donors: 6
    #Freely Rotating Bonds: 7
    #Rule of 5 Violations: 1
    ACD/LogP: 1.86
    ACD/LogD (pH 5.5): -2.14
    ACD/BCF (pH 5.5): 1.00
    ACD/KOC (pH 5.5): 1.00
    ACD/LogD (pH 7.4): -2.26
    ACD/BCF (pH 7.4): 1.00
    ACD/KOC (pH 7.4): 1.00
    Polar Surface Area: 127 Å2
    Polarizability:
    Surface Tension:
    Molar Volume:

    Predicted data is generated using the US Environmental Protection Agency�s EPISuite™

                            
     Log Octanol-Water Partition Coef (SRC):
        Log Kow (KOWWIN v1.67 estimate) =  -6.88
    
     Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
        Boiling Pt (deg C):  482.93  (Adapted Stein & Brown method)
        Melting Pt (deg C):  304.46  (Mean or Weighted MP)
        VP(mm Hg,25 deg C):  5.53E-011  (Modified Grain method)
        Subcooled liquid VP: 7.4E-008 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: -6.88 (estimated)
           no-melting pt equation used
         Water Sol (Exper. database match) =  200 mg/L (25 deg C)
            Exper. Ref:  BEILSTEIN
    
     Water Sol Estimate from Fragments:
        Wat Sol (v1.01 est) =  1e+006 mg/L
        Wat Sol (Exper. database match) =  200.00
           Exper. Ref:  BEILSTEIN
    
     ECOSAR Class Program (ECOSAR v0.99h):
        Class(es) found:
           Aliphatic Amines-acid
    
     Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
       Bond Method :   Incomplete
       Group Method:   Incomplete
     Henrys LC [VP/WSol estimate using EPI values]:  2.431E-017 atm-m3/mole
    
     Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
      Can Not Estimate (can not calculate HenryLC)
    
     Probability of Rapid Biodegradation (BIOWIN v4.10):
       Biowin1 (Linear Model)         :   1.0415
       Biowin2 (Non-Linear Model)     :   0.8545
     Expert Survey Biodegradation Results:
       Biowin3 (Ultimate Survey Model):   3.2390  (weeks       )
       Biowin4 (Primary Survey Model) :   4.2234  (days        )
     MITI Biodegradation Probability:
       Biowin5 (MITI Linear Model)    :   0.1446
       Biowin6 (MITI Non-Linear Model):   0.0085
     Anaerobic Biodegradation Probability:
       Biowin7 (Anaerobic Linear Model):  1.2845
     Ready Biodegradability Prediction:   NO
    
    Hydrocarbon Biodegradation (BioHCwin v1.01):
        Structure incompatible with current estimation method!
    
     Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
      Vapor pressure (liquid/subcooled):  9.87E-006 Pa (7.4E-008 mm Hg)
      Log Koa (): not available
       Kp (particle/gas partition coef. (m3/ug)):
           Mackay model           :  0.304 
           Octanol/air (Koa) model:  not available
       Fraction sorbed to airborne particulates (phi):
           Junge-Pankow model     :  0.917 
           Mackay model           :  0.961 
           Octanol/air (Koa) model:  not available
    
     Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
       Hydroxyl Radicals Reaction:
          OVERALL OH Rate Constant = 224.2491 E-12 cm3/molecule-sec
          Half-Life =     0.048 Days (12-hr day; 1.5E6 OH/cm3)
          Half-Life =     0.572 Hrs
       Ozone Reaction:
          No Ozone Reaction Estimation
       Fraction sorbed to airborne particulates (phi): 0.939 (Junge,Mackay)
        Note: the sorbed fraction may be resistant to atmospheric oxidation
    
     Soil Adsorption Coefficient (PCKOCWIN v1.66):
          Koc    :  112.7
          Log Koc:  2.052 
    
     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: -6.88 (estimated)
    
     Volatilization from Water:
        Henry LC:  2.43E-017 atm-m3/mole  (calculated from VP/WS)
        Half-Life from Model River: 4.402E+013  hours   (1.834E+012 days)
        Half-Life from Model Lake : 4.802E+014  hours   (2.001E+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       1.66e-008       1.14         1000       
       Water     39              360          1000       
       Soil      60.9            720          1000       
       Sediment  0.0713          3.24e+003    0          
         Persistence Time: 579 hr
    
    
    
    
                        

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