ChemSpider 2D Image | L-selenocysteine | C3H7NO2Se


  • Molecular FormulaC3H7NO2Se
  • Average mass168.053 Da
  • Monoisotopic mass168.964203 Da
  • ChemSpider ID23436
  • defined stereocentres - 1 of 1 defined stereocentres

More details:

Featured data source

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

10236-58-5 [RN]
3-Selanyl-L-alanin [German] [ACD/IUPAC Name]
3-Selanyl-L-alanine [ACD/IUPAC Name]
3-Sélanyl-L-alanine [French] [ACD/IUPAC Name]
L-Alanine, 3-selenyl- [ACD/Index Name]
Selenium Cysteine
selenocysteine [Wiki]
(2R)-2-amino-3-hydroseleno-propionic acid

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

Boiling Point: 440.2±45.0 °C at 760 mmHg
Vapour Pressure: 0.0±2.3 mmHg at 25°C
Enthalpy of Vaporization: 76.4±6.0 kJ/mol
Flash Point: 220.0±28.7 °C
Index of Refraction:
Molar Refractivity:
#H bond acceptors: 3
#H bond donors: 3
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 0.34
ACD/LogD (pH 5.5): -3.08
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -3.59
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 63 Å2
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) =  -1.61

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  135.43  (Adapted Stein & Brown method)
    Melting Pt (deg C):  8.97  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  7.83  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1e+006
       log Kow used: -1.61 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  8.1558e+005 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   Incomplete
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.731E-006 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)         :   0.2997
   Biowin2 (Non-Linear Model)     :   0.0560
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.4036  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.2984  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3474
   Biowin6 (MITI Non-Linear Model):   0.1783
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1676
 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):  963 Pa (7.22 mm Hg)
  Log Koa (): not available
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.12E-009 
       Octanol/air (Koa) model:  not available
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.13E-007 
       Mackay model           :  2.49E-007 
       Octanol/air (Koa) model:  not available

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  65.0000 E-12 cm3/molecule-sec
      Half-Life =     0.165 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.975 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1.81E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  9.786
      Log Koc:  0.991 

 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: -1.61 (estimated)

 Volatilization from Water:
    Henry LC:  1.73E-006 atm-m3/mole  (calculated from VP/WS)
    Half-Life from Model River:      439.7  hours   (18.32 days)
    Half-Life from Model Lake :       4905  hours   (204.4 days)

 Removal In Wastewater Treatment:
    Total removal:               1.94  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.75  percent
    Total to Air:                0.10  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.377           3.95         1000       
   Water     55.2            900          1000       
   Soil      44.3            1.8e+003     1000       
   Sediment  0.106           8.1e+003     0          
     Persistence Time: 541 hr


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