ChemSpider 2D Image | Orn | C5H12N2O2

Orn

  • Molecular FormulaC5H12N2O2
  • Average mass132.161 Da
  • Monoisotopic mass132.089874 Da
  • ChemSpider ID6026
  • defined stereocentres - 1 of 1 defined stereocentres


More details:



Featured data source



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

(+)-S-Ornithine
(S)-a,d-Diaminovaleric Acid
200-294-2 [EINECS]
200-731-7 [EINECS]
4-04-00-02644 [Beilstein]
4-04-00-02644 (Beilstein Handbook Reference) [Beilstein]
5-Amino-L-norvaline
70-26-8 [RN]
L-(+)-Ornithine
L-Ornithin [German] [ACD/IUPAC Name]
More...

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

bmse000162 [DBID]
BRN 1722298 [DBID]
C00077 [DBID]
CHEBI:15729 [DBID]

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

Density: 1.2±0.1 g/cm3
Boiling Point: 308.7±32.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.4 mmHg at 25°C
Enthalpy of Vaporization: 60.4±6.0 kJ/mol
Flash Point: 140.5±25.1 °C
Index of Refraction: 1.508
Molar Refractivity: 33.8±0.3 cm3
#H bond acceptors: 4
#H bond donors: 5
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 1
ACD/LogP: -0.96
ACD/LogD (pH 5.5): -4.85
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -4.75
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 89 Å2
Polarizability: 13.4±0.5 10-24cm3
Surface Tension: 54.6±3.0 dyne/cm
Molar Volume: 113.4±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
    Log Kow (Exper. database match) =  -4.22
       Exper. Ref:  Sangster (1994)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  434.26  (Adapted Stein & Brown method)
    Melting Pt (deg C):  297.36  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  8.32E-008  (Modified Grain method)
    MP  (exp database):  140 deg C
    Subcooled liquid VP: 1.21E-006 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: -4.22 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 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 :   2.71E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.447E-014 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -4.22  (exp database)
  Log Kaw used:  -10.955  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  6.735
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0650
   Biowin2 (Non-Linear Model)     :   0.9819
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.3206  (days-weeks  )
   Biowin4 (Primary Survey Model) :   4.1292  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6643
   Biowin6 (MITI Non-Linear Model):   0.6141
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  1.2896
 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):  0.000161 Pa (1.21E-006 mm Hg)
  Log Koa (Koawin est  ): 6.735
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0186 
       Octanol/air (Koa) model:  1.33E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.402 
       Mackay model           :  0.598 
       Octanol/air (Koa) model:  0.000107 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  72.6739 E-12 cm3/molecule-sec
      Half-Life =     0.147 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.766 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.5 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  7.029
      Log Koc:  0.847 

 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: -4.22 (expkow database)

 Volatilization from Water:
    Henry LC:  2.71E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.484E+009  hours   (1.035E+008 days)
    Half-Life from Model Lake : 2.709E+010  hours   (1.129E+009 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       9.76e-006       3.53         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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